Developer Corner

Quadbits Robotics builds deployable robots (with a live build log)

A small Dhaka robotics team pitching “robotics-as-a-service” with named projects and visible build-status progress.

Memo — Private, Local-First AI Second Brain

A local-first, offline-capable “second brain” desktop app with RAG memory, a sandboxed agent engine, and an open-source GitHub trail.

StepWind — an undo button for your whole PC

A free, open-source Windows “flight recorder” that continuously records folder changes and lets you undo moves/renames/deletes locally—no cloud, no account.

Trond’s studio: build-in-public with offline-first apps and MIT tools

A personal build-in-public hub where each shipped app comes with an essay—and the tools are MIT/open-source.

Zaivern Code — Claude Code を自動YESで並列指揮する「操縦席」

Claude Code / Codex / Gemini CLI をグリッドで並列実行し、承認待ちを消す“Agent Cockpit”をRustで作った無料OSS。

SovereignKey: an atomic “budget gate” for LLM API keys

A one-time $29 offline-first library/proxy that refuses LLM calls before they would exceed a shared budget—“reserves before it spends.”

Clankervault: one folder, many AI tools, shared memory

A CLI that mines your AI session transcripts into a portable, plain-markdown “vault,” then compiles tool-specific context files and serves them over MCP.

Spotlog — Google Mapsの「自分の記録」を地図とグラフで掘り返す

Google TakeoutのSaved places/Reviewsをブラウザ内で整理し、都道府県・カテゴリ別に可視化する無料個人ツール（任意でDriveバックアップ）。

ThreadMail — read your inbox like a chat

A free, open-source desktop email client that turns inboxes into chat-style conversations with one-tap cleanup and privacy-by-design.

BubbleSearch — local iMessage search for Mac

A privacy-forward, free & open-source macOS app that builds a fully local index of your iMessage history and lets you search instantly.

Wired for Agents: a badge + mini-standard for the agentic web

A vendor-neutral badge that certifies a product can be discovered and called by agents via a documented API and an MCP server.

DrawOnClip: clipboard-first screenshot markup for macOS

A native macOS menu-bar app concept that turns screenshot markup into a three-step clipboard loop—no files, no internet, no account.

机场工具箱：Clash / Mihomo 配置校验与节点解析（本地不上传）

一组在浏览器里直接跑的 Clash/Mihomo 配置校验与节点/订阅解析工具，主打“粘贴即解析、不上传、不需要订阅URL”。

Groundline: evidence tracing for office docs

A free, open-source “trust layer” that reads spreadsheets/decks and links every number back to its source cell—flagging unsupported claims and stale slides.

Verifence — pre-send SMS fraud firewall

A developer-friendly API that answers allow/deny for SMS verification in a single HTTP call—so fraud traffic never reaches your SMS provider.

Kazhy — Talk. It types.

A macOS voice-to-text “hold a key, speak, and it types into whatever app you’re in” app with offline-first transcription and a direct-to-download pitch.

CronForge: a visual, DST-aware cron expression builder

Build a cron schedule visually, see the next 10 runs in your timezone (with DST warnings), and copy the right syntax for multiple platforms.

Culmination — offline astrophotography archive catalog

A one-time Windows desktop app that scans FITS/XISF drives and turns a messy astrophotography archive into an offline, queryable catalog—with an optional AI metadata layer.

CaseSignal turns public records into source-backed case files

An AI investigation workspace that keeps every claim tethered to exact page/sheet/row evidence.

SentinelBench — Long-Running Agent Monitoring, Playable

A research-grade benchmark for long-running monitoring agents, with baseline results and a playable set of synthetic environments.

dumbTV — Plex, but as scheduled cable

An anti-streaming app that turns your Plex library into always-on, mid-broadcast “channels” with no menus, pausing, or tracking.

Fillshelf: a Stocky shutdown replacement for Shopify POS retailers

A founder-led migration/replace-the-dead-app pitch with a countdown, a free “exit checklist,” and very specific retail workflows.

Aleph: an on-chain contract-reading agent that refuses to guess

A terminal-first AI agent for Robinhood Chain that inspects contracts and prepares transactions—without keys, telemetry, or “safe” verdicts.

Hanavy — qualitative analysis for interview research

A local-first desktop QDA workbench for interview transcripts, with AI that only helps when you ask and data that stays on your machine.

NOCTRYS: runtime governance for AI agents

A self-hosted “behavioral black box” that judges AI agents’ actions in real time—blocks dangerous ones, and seals an audit trail you can verify.

Open Exchange: open-source matching engine infrastructure

An open-source, ultra-low-latency exchange core (Aeron Raft + OMS + deterministic ledger) with docs, benchmarks, and a live demo.

ALTer: a non-destructive Mac media editor that keeps your originals put

A Mac photo/video library editor that references originals (no absorbing/duplicating), with a timeline editor, web layers, AI descriptions, and ALT-text-first publishing.

Kenavo: Perforce-grade source control for Unreal (with resumable migration)

A desktop-first Unreal source control wrapper that promises exclusive checkout, asset-aware history, and guided, resumable Perforce migration.

dev-wear — open-source wearables with no cloud behind them

A local-first, open-hardware wearable concept that insists your body shouldn’t phone home—plus concrete reference designs (glasses, pendant, watch, ring).

AwareLock — walk away, and it locks

A small, privacy-forward “presence security” app for Macs/PCs that locks when you leave and uses local face measurements (no cloud, no account).

Reva — the label, read straight

A cosmetic ingredient “label-reading” app that promises dose-aware, citation-backed scores—and an API for developers.

WPSalt: local WordPress hash & secret-key tools

A static, open-source set of browser tools for generating and verifying WordPress password hashes and wp-config.php salts/keys—processed locally for sensitive values.

Pathproof — prove it’s the network

A niche, evidence-first network path monitoring product that turns “the network is bad” into diagnosable, chartable measurements.

JustCut(저스트컷) — “고르는 건 당신” 로컬 컷편집기

5분 찍고 1시간 편집하던 걸 줄이겠다는, 한국어 자막+컷 후보 선택형 로컬 편집 앱.

Eldraun: “Trial by fire” clinical safety audits for medical AI

A blunt, physician-reviewed testing service that attacks medical AI with hostile clinical scenarios—complete with public prices and sample reporting.

GlucoseIQ: typed CGM analytics for TypeScript

A developer-focused docs site for TypeScript packages that analyze CGM readings and output typed, chart-ready reports (with synthetic fixtures for testing).

1337 Genome — a cryptographic “lont” ceremony for permanent traits

A fully on-chain NFT protocol where eligible holders can “lont” a single canonical trait forever, with no admin or metadata server.

anarco·mcp — a librarian for anarchist thought

An MCP-served, provenance-tracked “librarian” that routes anarchist questions to The Anarchist Library with citations and explicit disagreement handling.

Systems that stay understandable

A personal architecture/AI engineering site that frames work as “routes” and “field notes,” with hands-on lab demos and production-minded writing.

tovarna.dev — továrna na hotové issues

A Czech “AI issue factory” that turns GitHub issues into code via an isolated worktree pipeline, with humans only stepping in for one-sentence decisions.

adrianOS 3.0: a terminal-style AI/infra portfolio

A CS/ML student portfolio presented like a booting terminal (“adrianOS”), with expandable project case studies and concrete backend/LLM work.

RadioAct — Radiology triage on Ontomorph

An AI-assisted radiology triage reader that routes structured findings onto a patient “digital twin” (Ontomorph) for clinician confirmation.

Agent Wormhole — self-replicating prompt payloads, caught and contained

A security tool for agent “worm” persistence: guard config writes, detect changes, and block/annotate suspicious agent I/O.

MXT ALGOS: trading tools with a published validation pipeline

A futures-trading indicator/model shop that foregrounds a 7-stage “gauntlet” and clean-room rebuild to prove edges aren’t just luck.

Set Paing — real-time rendering & differentiable graphics portfolio

A CS grad’s portfolio that reads like a mini research lab notebook: WebGL/GLSL ray tracing, differentiable Gaussian splatting, and GPU-focused projects.

RelayTV turns a Linux box into a local, phone-steered TV endpoint

A local-first, open-source “remote + playback target” for Linux TVs—queue YouTube/Jellyfin/IPTV from your phone or Home Assistant without cloud or casting.

NeuralPlus: a provider-independent C++17 LLM SDK with tracing + tool calling

A C++17 AI SDK that tries to unify OpenAI/Anthropic/Gemini behind one AIClient + Session + Tool/Tracer model.

REVV Protocol — Live Network

An agent-native IoT protocol pitch with a live fleet demo, pay-per-use rails, and on-chain settlement traces.

WorkerProof — AI candidate vetting for staffing agencies

An AI system that scores trade candidates against a published matrix of 52 EU standards, with “triple-checked” evidence and client-ready reports.

Boolean: a local-first Windows AI workspace (with GGUF + embedded tools)

A Windows app that promises “AI shouldn’t be a luxury,” bundling chat, coding agents, an embedded browser, notes, and local GGUF model support.

Racon Agent: an adversarial “raccoon-proof” audit for AI trading rules

A browser-side, deterministic trading-rule “lock” gets stress-tested by a paid raccoon model—so you find gaps before money does.

Waldo: physics-verified robot demos that mint as NFTs

Pilot a browser robot, submit a trajectory, and earn points only when the physics re-simulation reproduces—then mint as a Data ID NFT.

Orbarum: a world that keeps aging while you’re away

An invite-only, wall-clock-persistent world-simulation where you author once, then watch consequences accumulate.

FloteTech — water-driven artifact recovery machine (Model A) relaunch

A niche, field-ready flotation machine for recovering artifacts/fossils from soil—back in production and taking interest registrations.

Brandon PT Davis Apps — tools grown out of scenic design

A personal studio utility suite (macOS + mobile web) for designers: image management, research context, and practical conversion/color planning tools.

machine0: Persistent VMs you drive from the CLI

A developer-focused VM platform with NixOS/Ubuntu images, static IPs, and per-minute billing—built around long-running terminal workflows.

Chud — a League of Legends desktop companion with mod malware scanning

A free Windows desktop companion for LoL that installs skins/mods and claims to scan every mod for malware before writing to disk.

NapCat — fake nap for your Mac, real work underneath

A macOS utility that “fakes sleep” (hotkey + dark frosted screens) while coding agents keep running, with a notch “mission control” for approvals.

AegisAI — AI agent security control plane

A security platform pitch for discovering and controlling enterprise AI agents using OPA/Rego policies, prompt guarding, HITL approvals, and SIEM-ready audit trails.

AetherIoT: dialogue-to-automation with a “governed” edge runtime

AetherIoT pitches an AI-home setup where an agent proposes a checkable automation plan, and a local edge layer executes only what passes permissions and safety rules.

Agent Ops Kit — drop-in sub-agents, hooks & commands for agentic coding

A no-subscription “config pack” for agentic coding tools: sub-agents, hooks, slash commands, and CLAUDE.md templates you unzip into a repo.

AgentBazaar: an agent-to-agent marketplace on Hedera (with copy-paste endpoints)

A developer-facing marketplace where AI agents buy/sell services on Hedera using x402 micropayments, with MCP/SDK/OpenAPI hooks.

Agent Mystro — routing by blind test, not vibes

An OpenAI-compatible endpoint that classifies each request and routes it to the model that “won” blind testing, with a cost-aware cache check.

AgentOps — orchestration + cost + security for AI agents

A narrowly focused “ops control plane” for AI agents: workflows, budgets, policy (OPA/Rego), Prompt Guard, HITL, and observability.

also — an autonomous onchain virality agent (Claude Opus + Dune)

A public “experiment record” for an autonomous agent that mines Dune launch history to explain why some onchain launches spread and most don’t.

SL SignalCheck Local — “Am I Flagged as a China User by Claude?” (local-only browser signals)

A privacy-forward, local-only detector that estimates whether your browser environment looks “mainland China-like” to Claude-style concerns—plus a curl/API option.

Atzi Labs — MCP/RAG/agents engineering that ships

An independent engineering practice focused on MCP servers, RAG, and agents wired into real systems—positioned with a concrete 3-step delivery process.

AudioInsert — voice notes that play inside Google Docs

A narrowly focused Google Docs add-on concept: record once, drop into a doc, and readers press Play—no downloads, no accounts.

AuraCurve — Motorrad-Navi mit Kurven-Routing & Offline ohne Tracking

A motorcycle navigation app that promises curve-focused routing, offline planning, and “no account, no tracking,” plus a web route planner that exports via QR.

Bilbo Data — “The city, narrated” from 917 cameras

A live “situational awareness” dashboard that claims to count vehicles and infer limited attributes from NYC traffic cameras—explicitly avoiding faces, plates, and tracking.

Chainlens — A modern Bitcoin block explorer

A live-feeling Bitcoin explorer landing page with recent blocks, mempool activity, and transaction details in one view.

BoundRunner — Authority before autonomy

A security-focused agent gateway that turns “agent intent” into policy-bound, approval-gated, signed action receipts.

BroMind — local-first AI browser sidebar

A privacy-forward browser sidebar that runs your AI models on your own machine and claims localhost-only behavior by default.

Agent Check ($CHECK) — Solana token safety scanner

A browser-based Solana rug-risk scanner that claims 21 on-chain checks and a 0–100 “CLEAN SCORE” with evidence and a live buy/sell simulation.

CHEECHEE·OS: an “operating layer” for solar fleets

A Hong Kong solar AI platform that claims day-ahead yield forecasting, anomaly detection, digital twins, and dispatch/trading connectors—plus its own module line.

Chesslord — image-to-play chess with your own engine

Upload a chess diagram image (book/PDF/screenshot/chat post) and get a playable board with Stockfish running locally in your browser.

CodeIQ Pro: legacy modernization via a “knowledge graph”

A developer-facing platform pitch that claims to map legacy code + databases + screens into one grounded graph for safer modernization.

Compendium Pay — Free software, our processor

A payment-layer pitch that’s unusually specific about industry workflows and double-entry bookkeeping—plus a developer-facing API angle.

Cotune — expert review for AI agent outputs

A narrow tool concept for routing AI agent output reviews through domain experts, with prompt-change diffs tracked via a spreadsheet-like loop.

cpuPulse: tiny CPU telemetry, turned into a readable heatmap

A lightweight background agent that records per-app CPU usage and renders an honest, hour-by-hour heatmap for each PC.

Diffwire: content-addressable MITM proxy for API mocking

A developer tool that captures real API traffic and turns it into versioned, shareable mock “branches” (with AI agents and drift detection).

DMXexpress — a Rust DMX console you can rehearse with (no rig required)

A native Rust DMX visualizer/controller that lets you patch, program, and run shows in a real-time 3D stage—then output over Art-Net.

DualCue — bilingual subtitles that keep timecode honest

A niche subtitle workflow that transcribes, waveform-anchors cues, translates inside those boundaries, and exports stacked bilingual SRT/VTT/ASS.

Ferrohive: an always-on ops agent for hosted ASIC mining fleets

A 24/7 AI ops agent that monitors, predicts, reroutes, and produces finance-grade ledgers for mining rigs—down to a 4-second “console” tick.

Fianza — On-chain credit for AI agents

A crypto/agent underwriting pitch with a “watch it catch a fake” live demo vibe and machine-speed credit loop.

FlipCache — Know Before You Buy

An AI eBay reselling companion that scans items and calculates max buying price with fees already counted.

Foceon: “One loop runs the whole fab” for precision optics

An autonomous-operations + optics digital twin platform pitching an AI control loop that simulates, figures, coats, and improves yield for precision-optics manufacturing.

FormPath: evidence-backed checks for unreachable form logic

A browser tool that analyzes SurveyJS/REDCap/FHIR form definitions to find conditional questions that can never appear—and shows proofs.

GenXEcon turns plain-language macro into “solved + verified” DSGE models

An AI platform that claims a multi-agent pipeline plus a symbolic compiler to prove DSGE solutions (steady state, log-linearization, Blanchard–Kahn) before charts.

Cutkit: screen editing by striking words (no timeline)

A Mac app that records your screen + face, transcribes locally, and renders only the words you keep—editing the transcript instead of a timeline.

HeyLinks.ai — one-button backlink outreach with “approve before send”

An AI backlink outreach tool that turns Ahrefs competitor backlinks into personalized, reviewable emails.

SpecFlag — incoming COA review, checked against your own specification

A narrow “Certificate of Analysis vs your limits” checker that flags out-of-spec results hidden behind lab PASS/ceiling logic.

Grixel: self-hosted version control with “AI visibility controls”

A self-hosted “depot” for code + huge files that also gates what AI assistants can see—nothing else exists.

heddle — Weave agents from spec

A lightweight CLI runtime that compiles Open Agent Specification YAML/JSON into an executable agent graph—validated and run locally in one command.

Sono — on-device dictation that insists nobody can listen

A macOS dictation app landing page built around a bold privacy claim: speech-to-text + editing happens locally, with no account and no server.

HyperSync — the sub-millisecond trade copier

A local-first, Rust-based “trade copier” pitch that leans hard on latency, lock-free fan-out, and self-healing drift correction.

Kept turns meeting audio into offline, word-clickable notes (on your Mac)

A Mac app that records meetings, transcribes word-by-word, tags speakers, and keeps audio off-device—then lets you click any word to jump to that moment.

Lauther: one HTTP request, your phone buzzes (and can ask back)

A push-notification + “approval/response” API that’s designed to work without accounts or per-device hosting—built for automation and agents.

LetterMyComic — browser-based comic lettering studio

A full comic lettering workflow that runs in your browser: balloons, SFX, panel layouts, fonts, and print-ready exports.

Logic Pro MCP Server for Claude, Cursor & AI Agents

A sharply specific, evidence-forward guide to an open-source local MCP server that lets AI agents compose/control/verify real Logic Pro sessions.

Malinois — Bite first. Protect first.

A security monitoring service that offers a free 15-second passive scan and then daily checks, framed with a CVE-backed “builder challenged” pitch.

Marinate — offline stale-model-config auditing for AI apps

A CLI that scans your repo for retired/deprecated AI model config pins—offline, with sources and line-level findings.

MirrorMe — Evidence-Grade Web Capture & Website Archiving

A “proof-carrying” OSINT/web-archiving workspace that captures rendered pages into WARC/WACZ replay packages with hashes and signatures.

n8proof — the “silent failure” layer for n8n agencies

A client-side n8n workflow grader plus white-label monitoring/reporting aimed at catching “green but broken” runs before clients notice.

Norravex: MCP server + exact-amount agent payments (with measured route results)

A fixed-scope MCP integration pilot plus an “agentbuy” package that tries to make cross-chain crypto payments exact-output, with published route testing and explicit limits.

OnBass: a millisecond “groove” visualizer for bass players

A beta timing trainer that turns your bass attacks into instant millisecond feedback—“early/late/right in the pocket” made visible.

socialsearchapi — one API for every social platform

A developer-facing “unified social search” API that promises a consistent schema across many platforms, with published per-endpoint credit pricing and failover behavior.

OpeningWire — Texas restaurant/bar lead intelligence

A weekly feed of newly licensed (and pending) Texas restaurants and bars, built from public liquor-license filings—positioned for distributors and suppliers.

Ospaces — offline-first notes + “bring your own AI”

A calm, free-to-use workspace that works offline and lets you paste your own Anthropic/OpenAI/Groq key for page-aware actions.

OurRadioFS — a free, range-aware VHF radio for flight sims

A fan-made “real radio, not a chat room” that lets MSFS/X-Plane pilots talk on shared COM frequencies with computed range, fade, and optional live map.

pagewatch: a hosted Chromium browser API for AI agents

A small, practical API that lets AI agents read pages, screenshot them, or generate PDFs using real Chromium—plus a clear credits model and strong “we won’t bypass” boundaries.

PairFoundry — agent coding playbooks that admit where they break

A developer-focused library of first-party AI coding agent prompt packs and repo configuration patterns, written from real projects and explicitly honest about failure modes.

Payproof turns stablecoin payments into verifiable invoices

A serverless stablecoin invoicing flow that embeds invoice data in a share link and issues receipts tied to Arc transaction hashes.

Periscope — see what AI search actually sees

A polite, evidence-keeping “AI visibility audit” that compares what crawlers fetch vs what browsers render, scored for citation readiness.

PF1e Combat Tracker

A DM-facing Pathfinder 1e combat tracker that promises “no spreadsheets,” with a built-in bestiary, initiative flow, and a live QR player view.

PixelSprites turns flat pixel art into fake-3D animations in-browser

A web studio for 2.5D pixel rigging/posing that exports game-ready sprite sheets—no 3D modeling required.

PLDrop — audited remote testing, shipped as a black-box appliance

A penetration-testing “consent gate” appliance that’s designed to be mailed to customers and run as a single audited channel with no standing access.

PriceLayer — Real Amazon prices for AI assistants

An MCP connector that verifies Amazon ASINs live and returns a price with a timestamp (plus a working link) instead of letting assistants guess.

ProviderBench — cloud provider benchmarks you can reproduce

A CLI-driven benchmark site with open methods, “efficient frontier” charts, and per-plan metrics for compute/AI/storage.

PullCode: extract the real code from YouTube tutorials

Paste a YouTube coding tutorial and get copy-ready notes with the actual on-screen code pulled frame-by-frame.

Quantis: an operating ledger that prices events and triggers agents

A live, interactive “operating ledger” model that turns company activity into a trace→price→deviate→act loop.

Reinstate — encrypted AI coding sessions you can resume anywhere

A CLI that captures, encrypts, and transfers Claude Code/Codex session state across devices so your “conversation” doesn’t die at the desk.

Roadrunners — AI for real work

An AI invoicing/parts-pricing workflow aimed at repair shops, with a demo-like homepage full of “real screens” and sample job data.

Ronald J. Pandolfi — Beamline Controls & Scientific Software

A researcher’s control-systems portfolio with concrete projects (EPICS/Bluesky/LLM-addressable control) and links to docs, GitHub, and publications.

Scaling Neuro: neuro-sync for sharing de-identified fMRI DICOMs

An academic-led effort to make it easy for labs to de-identify and sync approved fMRI (functional EPI) DICOMs into a shared open archive.

Serve & Space: 3D rehearsal for dinner timing + furniture clearance

A pair of interactive 3D planning tools that let you rehearse cooking schedules and test whether furniture will clear doors and hallways.

ServerDeck — manage Ubuntu servers from a Mac/iPad app (over SSH, no always-on panel)

A native macOS/iPadOS app pitch for running server tasks over SSH using a short-lived agent—positioned as a safer alternative to cPanel/Plesk/Webmin.

ShakeFleet — outbound-only monitoring for ShakeCast fleets

A security-minded monitoring dashboard for ShakeCast instances, using a tiny read-only agent that phones home over HTTPS.

ShouldWatch — Know before you play

A Chrome extension concept that forces a blunt YouTube decision: watch, skim, or skip—complete with a time bet and chapter picks.

TrapFlow: network event normalization for multi-vendor ops

A serious-sounding platform that turns SNMP traps + syslog into deduped, enriched alerts with a modular pipeline and real pricing/docs surface.

Socialsearchapi — one API for every social platform

A unified “social scraping/search” API that promises a single schema across many platforms, with failover and published per-endpoint credit pricing.

Strand: a keyboard-first Git client for reviewing AI agent changes

A purpose-built Git client that watches an agent’s working tree and turns review into a fast, home-row workflow.

Study Room: local Stockfish move grading (free, no cloud)

A chess “game review” that grades every move with a local Stockfish engine—no subscription, no uploads, and a waitlist for builds.

Surface Labs: procedural PBR authoring, but indie-portable

A node-based, GPU-first procedural PBR texture tool that runs natively across desktop and tablets—positioned as a portable alternative to Substance Designer.

タメスケのAI実験ノート

日本語RAGや機械学習を“手元で実測”して、悪化例や再現コード込みで残す実験ノート。

Tascarrel: agentic dev, but with a VM safety boundary

An open-source “agentic development workbench” that isolates declaratively defined dev contexts in VMs so coding agents can run with broad permissions inside a controlled boundary.

Teodolite: AI-nativa “on-prem” con firma umana

Uno studio di ingegneria AI-nativa che vende direzione e responsabilità: flotte di agenti h24, modelli locali e “nessuna delega”.

ThreadBear — automated Codex thread management (token-conscious, macOS)

A macOS Codex “thread manager” that classifies and archives threads while trying hard not to burn model tokens on idle heartbeats.

tmpvid — ephemeral PR demos for AI coding agents

A one-command way for AI coding agents to record a branch demo, upload it with a minted token, and embed it into GitHub PRs—then auto-expire in 7 days.

Token Guardrail — spend caps + spike alerts for looping agents

A developer-focused SDK pitch that promises hard LLM spend caps (per project/per user) plus Slack spike alerts before the invoice arrives.

Qed — independent verification for AI-generated proofs

A formal-methods startup pitch that treats “Lean compiles” as not enough, and offers human mathematician verification for AI proofs.

TURFKIN turns ride-on mowers into “no-operator” robots (subscription add-on)

A robotics/AI “driving module” subscription for existing ride-on mowers, pitched with unusually specific market sizing and a very direct promise of zero human intervention.

TVK Orbital — “Recovering orbit. Protecting the future.”

A space-debris recovery startup site with a clear mission loop (detect → rendezvous → recover → reuse) and concrete LEO framing.

unlocalhost: localhost, but with a sign-in wall (and secret-scanning)

A self-hostable “localhost-to-link” tool that turns your app into a shareable URL while blocking accidental key leaks and handling auth before requests hit your code.

APIRoute — LLM Routing at 15% of the Cost

An OpenAI-compatible LLM API gateway that claims “see the arbitrage” pricing and sub-50ms TTFT via edge routing.

Verbia — Rewrite anything, anywhere (native macOS menu-bar utility)

A native macOS menu-bar rewrite/translate assistant that previews changes and supports multiple AI providers via local key storage.

VibraLens turns an iPhone into a vibration camera

A one-time-purchase iPhone app that visualizes periodic vibration frequency (Hz) from running machinery using on-device camera sensing.

Vincosha: an AI governance control plane (for Claude/ChatGPT/Copilot)

A control-plane pitch that treats AI tools like deployable infrastructure—versioned, auditable, and cost-visible.

Wild North Instruments: offline-first outdoor decision tools

A Finnish team building offline map/safety apps for backcountry skiing and forest exploration, with open beta products and privacy-forward positioning.

Wovyr — the trust layer for AI-generated interfaces

A Rust-based “fail-closed” runtime that validates, records, and durably runs every UI frame an AI agent shows a human.

WrestleVault: a WWE trading-card scanner that “vaults” your collection

A niche card-scanning/tracking app for WWE trading cards, pitching grader OCR + set/parallel identification without account linking.

x402lint: “SSL Labs for x402” with A–F evidence grades

A conformance scanner that grades x402 listings with per-check evidence and “pay per scan” results—positioned as a way to stop agents from silently skipping broken origins.

Zettel — a decision ledger for your Messages archive (on your Mac)

A macOS-first “decision ledger” that turns Messages into searchable, markdown-exportable minutes—nothing leaves your device.

Zug Zug: self-hosted master data management that lives next to your warehouse

A read-only MDM workflow you can run with one command, with a review grid and warehouse write-back only when you explicitly wire it.

Accessible Ops: agent-ready infrastructure principles

A blog/docs project framing infrastructure safety as “properties” that stay readable and delegatable to humans and AI agents.

AIVS-1 — Agent Inference Value Standard

A spec-like proposal for an “Inference Value Record” that tries to separate proof an inference happened from what someone else committed as its value.

AnchoredIP — Static outbound IP for your app

A sharply specific service for getting a permanent outbound IP (IPv4 + IPv6 /48) delivered over WireGuard, with clear “wrong tool” guidance.

Andon — Builds for Xcode Cloud, on iPhone and iPad

A native iOS/iPadOS client that turns Xcode Cloud CI into a “green board” you can check and act on from your pocket.

Alexey Gavrilov — Research portfolio

A researcher’s ML portfolio with a clear “inspectable” theme and publication/project navigation.

Arca: an OpenAI-compatible, on-chain inference gateway

A crypto-flavored inference router that claims cheaper tokens via routing + caching, with token-settled billing and $ARCA rewards.

ArchivePack — local-first webpage archiving in one ZIP

A local-first Chrome extension that turns a webpage into a portable archive pack (MHTML, full-page PNG, readable Markdown, metadata, and SHA-256 checksums) with no account.

JogoFechado — WhatsApp automation for sports arenas

A WhatsApp-first system that fills “horário vago,” nudges late monthly payments, and auto-remarks when it rains—run from a tiny owner panel.

Atmo Share: zero-knowledge P2P file + clipboard transfer (with offline LAN mode)

A WebRTC/Web Bluetooth–style “stateless, zero-knowledge” sharing hub that claims direct, encrypted browser-to-browser transfers plus local/offline options.

AuditionArc — From brief to booked

A casting-network workflow product that turns briefs into auditions and renewals in one continuous record, with AI used for organization (not “ranking talent”).

AWAKE — Crypto Market Intelligence

A trader-facing “command center” that scans altcoins for momentum/liquidity/pullback signals, with a private beta and module-based pricing.

back-napkin.com (napkin): fixed-bid estimating with Monte Carlo odds

A solo-estimator tool that turns “one number” quoting into range-based, 10,000-simulation fixed-price bids.

BannerOps: self-hosted Bannerlord server control panel

A lightweight web admin panel for Mount & Blade II: Bannerlord dedicated servers, with real-time player/map/console controls you run yourself.

Consent-documented Nigerian speech datasets (with QA + licensing details)

A developer-facing supplier page for Nigerian speech & language datasets, emphasizing consent, NDPC registration, and delivery specs.

Bugsnapr — bug reports straight into Slack (for small teams)

A Slack-native bug reporting workflow that promises “no login required for reporters,” built for teams of 2–8.

ChaosBench

A system-design interview simulator that throws you into a live “Chaos Engine” incident and makes you defend tradeoffs to an AI Staff Engineer.

Chatnode for n8n: a secured, white-label chat frontend

A white-label chat widget for n8n that hides webhooks, adds rate limiting, and supports multi-tenant auth.

Chompass: ad-free AI calorie tracking, BYOK-style

A privacy-first fork of Fud AI that offers an Android app plus an installable browser PWA—no ads, no analytics, and you bring your own AI key.

Circuex — closed-loop physical-AI for SMT manufacturing

A multi-agent “autonomous operations layer” for electronics manufacturing, pitching a closed-loop that drives first-pass yield.

Claract — compliance packet pre-flight for resident notices

A compliance review tool that checks resident notices against lease, fee schedule, and jurisdiction—then requires human sign-off before anything sends.

CompareSandboxes: a referee for sandbox pricing & cold-start numbers

A monthly, always-current comparison hub for AI-agent code sandboxes, enterprise/API sandboxes, and regulatory sandboxes—complete with live benchmarks and “last verified” dates.

ContactGleaner: Outlook contacts, auto-built from your mailbox

An AI autopilot that reads your Outlook inbox/meetings/signatures to generate complete contacts you approve (or fully automate).

Context relay: the missing continuity layer for agents

A developer-facing concept page arguing that agents need a “relay” to keep your live work context on their side—without retyping and copy-paste overhead.

Copilot RCM turns 835 denials into payer-specific appeal packets

An invite-only RCM workflow that reads 835 remittances, builds evidence checklists per denial code, and drafts appeal letters with payer-specific numbers—then redacts and pre-fills forms.

CoreScanWP: a free WordPress “what powers this site?” scanner

A no-signup WordPress detector that identifies core/theme/plugins/hosting from public fingerprints, with a “how it works” explanation and a plugin-vulnerability angle.

Covenant: HOA clause Q&A with page citations

Upload your HOA documents and ask plain questions; get answers that quote the exact clause with section + page numbers.

Account Demolisher (Stellar)

A client-side Stellar account-closure tool that stages and simulates every step before you sign.

Dentho Pro: odontograma-first practice management

Un software de gestión dental que promete hacer el trabajo del odontograma “con un clic” y automatizar recordatorios/seguimiento.

DeskCommit: control your Mac displays from a hotkey

A one-person macOS app that lets you arrange displays, change resolution/refresh rate, and move windows from your keyboard menu bar.

Devicecamp — IoT telemetry workbench

An IoT telemetry dashboard that promises “open a device without signing in,” ingesting HTTP or MQTT and assembling a live metrics view.

DEXHelm: a non-custodial Hyperliquid terminal, testnet-first

A source-available, non-custodial Hyperliquid trading terminal with unusually explicit risk disclosure and a testnet-only public interface.

ExportReviews: review pages → CSV/Excel/JSON (locally, via browser extension)

A browser-extension tool that turns reviews from major platforms into spreadsheets in a few clicks—positioned as local-only extraction with a credit balance.

Fanbrain — it sells while you sleep

An AI “revenue manager” for Fanvue that claims to read full chat + ledger history and run PPV/campaign loops via an official API.

Fetchwerk: European public tenders, as one clean data feed

A pay-per-record, schema-normalized feed of EU + national + UK tender notices, delivered via Apify actors.

FindKju — Google for your closed tickets

A narrow MSP tool that promises semantic search over resolved tickets so support teams can reuse real fixes instead of guessing from KB articles.

Flat Rate Master

A local-first, Vision-AI RO scanner + pay-period estimator for flat-rate techs—positioned as “stop paycheck shorting” with data kept on your phone.

FrameFinery builds VVC/AV2 encoders for screen content

An early-stage project landing page for purpose-built VVC and AV2 encoder implementations—hardware plus a Rust software engine—targeting low-latency screen sharing.

Free Mapper — Projection Mapping im Browser

A free, no-install projection-mapping browser tool with a step-by-step workflow for beamer setups.

genuinebasil.dev — systems & infosec writing that shows its work

A Rust/systems/security engineering blog with real project writeups and a clear “how they break” voice.

Getman: an offline “Postman + Proxyman + Termius” desktop stack

A local-first desktop app that bundles API requests, MITM capture, SSH/SCP, and network diagnostics into one window—positioned as replacing multiple dev tools.

Agent FM turns agent activity into “ambient awareness” audio

A developer-facing product that distills coding-agent sessions into high-signal audio updates and live observability.

AgentPlay: OpenAPI → MCP gateway for AI agents

A SaaS that turns your OpenAPI spec into a live MCP endpoint so Claude/ChatGPT/Gemini (and other MCP clients) can call your real API without you building an MCP server.

Daemon — Ask your homelab anything

A read-only local AI assistant for homelabs that answers questions about containers, VMs, storage, and network—plus a cloud option.

GetEndOfLife — dependency lifecycle alerts for teams

A DevOps-focused service that tracks PostgreSQL/Redis/Node/Kubernetes (and more) and alerts you before versions hit EOL.

FAIRmark — offline AS9102 Rev C form generator

A shop-floor-friendly tool that turns ballooned PDF drawings into AS9102 Rev C Forms 1–3 entirely offline.

Oh Dear: “Stop hearing about downtime” monitoring suite

A health-monitoring platform that bundles uptime, SSL, DNS, cron, broken links, performance, and status pages into one tool—positioned for teams who hate being surprised.

SnapTap — 3D/AR product viewer platform

A newly launched AR product digitization platform that promises LiDAR-based 3D scanning, QR deployment, and web-embeddable AR viewers.

gote — learn the species you see

Flashcards for birds/plants/insects/fungi built from real nature photos, with streaks, analytics, and iNaturalist-powered “local fauna & flora.”

Graphology: The Examiner's Hand — Trait dictionary

A graphology “trait dictionary” that turns handwriting features into labeled measurements, prose interpretations, and drill hints.

Grid — Instant context for AI agents

A docs-heavy landing page for “in-process” retrieval runtime that promises sub-10ms semantic search for conversational agents.

Hypergate — every MCP server, one gate

A local-first, open-source MCP gateway/runtime that aggregates many MCP servers behind one endpoint with sandboxing, token scoping, and an audit trail.

inra — the recall layer for AI agents

A production-leaning “inference-time memory” layer that stores agent/user interactions and recalls only what the next step needs.

IntelliBase automates ICSR pharmacovigilance workflows (MENA-first)

A multi-tenant ICSR safety platform that uses AI drafting plus an audit-ready, deadline-driven workflow—built for MENA regulators in Arabic and English.

CoreFusion: IoT data fusion + device discovery for smart buildings

A smart-building platform that claims to auto-discover IP devices and fuse multiple building protocols into one real-time stream (with pricing and a demo flow).

KnobSnob: RTFM, but make it conversational

A synth/pedal guide catalog that turns official manuals into plain-English, AI-answered explanations—free to read, with Pro for deeper use.

kywrd — ASO that writes the fix

An ASO tool that turns App Store vs Google Play metadata rules into labeled, store-ready metadata change suggestions.

LayerX Protocol Architecture Specs

A technical spec page for an agent-only payment side channel: zero-fee USDX transfers, instant signed receipts, and Merkle-anchored batches on Paxeer L1.

Lockbox — view-only, watermarked doc sharing (with Google sign-in)

A simple “no downloads, no leaked links” document sharing app that stamps each page with the reader’s email.

Lotus AI — Patient Record UI (EHR-like, login-gated)

A healthtech “Lotus AI” interface that looks like an electronic health record for psychiatric notes—complete with risk assessments, MSE, and encounter entries.

cdsession — tenant-alpha (browser auth session behavior demo)

A research-y auth demo that lets you probe how embedded sessions, OIDC fallbacks, and FedCM behave across browser contexts.

MapShare: “Send a link, not a ZIP” for georeferenced 3D captures

A browser-based way to share layered, georeferenced 3D exports (LAS/LAZ, splats, CAD/meshes) via a link—no install, no client account.

MCPatrol — MCP servers “on patrol”

A change-detection + monitoring service for MCP servers, with incident push alerts and tool-inventory diffs.

Mederos: a quant terminal that runs on its own strategy language (MuseScript)

A quant “market engine” with a free in-browser strategy editor/backtester and a Pine→MuseScript converter, plus desktop/web surfaces.

MemoGrafter: lifecycle-managed, graph-native memory for AI agents

A TypeScript-first memory layer that treats agent memory like versioned, inspectable state—complete with CLI/Studio and conflict resolution.

ModularCMS Live — white-label, multi-tenant CMS with a live admin demo

A white-label, API-first CMS pitch aimed at CodeCanyon operators, with a public demo and a security-heavy feature list (vault/RBAC/2FA) plus optional AI/Web3 hooks.

MoFlux — Enterprise capacity control for AI workloads

A token-aware admission/control-plane concept for preventing enterprise LLM overload, with a concrete architecture narrative.

My Vet Copilot — deterministic VA claims workflow + advisor tools

A niche VA disability claims platform that emphasizes “no hallucinations” deterministic lookups, evidence gap checklists, and an advisor/veteran portal.

Neevsight — Free Website Security & OSINT Scanner

A free, passive OSINT + security audit tool that turns SSL/DNS/headers/ports/tech stack findings into an explainable AI threat report.

Nexus: security ops “one point of truth” console

A security-operations platform pitch that feels like a live command center—unifying identity, endpoint, email, backup, licensing, and DNS telemetry into a read-only “estate picture.”

NimbleNode: a Docker-orchestrated Lightning node stack

A self-hostable, open-source Lightning Network node “stack” that bundles LND + tooling into one Docker Compose workflow—plus an optional hosted path.

Nimbus — Give every agent its own computer

A Cloudflare-powered “agent computer” that spins up POSIX-like, shareable dev sandboxes from your code.

Notiflo — SMS Gateway for Developers

A developer-focused SMS gateway that turns an Android phone into your own carrier-connected messaging pipeline, with flat pricing and API examples.

ScheduleOncall — On-Call Scheduling

An AI-assisted, credential-aware on-call scheduling app that promises “live 24/7” coverage and a spreadsheet retirement plan.

OneMuppet — local-first iOS apps by David Borgenvik

A small, sharp iOS software portfolio with a clear local-first pitch and a specific fitness programming project in development.

OnsiteBIM: AprilTag-locked BIM overlays for live jobsite inspection

A niche iOS app pitch for auto-aligning Revit/BIM models on real construction sites using AprilTags plus optional LiDAR depth masking.

open OSS — The operations layer for AI-RAN

A telecom/AI-RAN “controlled decision system” that separates evidence, reasoning, policy, and execution—positioned as provider-neutral at the boundary.

Open Survey: receiver-agnostic RTK land surveying (in development)

A free, open-source land surveying platform aiming to start with phone GPS and scale to centimeter RTK—without locking you into one hardware ecosystem.

OrbiVigil: satellite disaster intelligence, explained like a product

An AI-powered early-warning concept that turns multiple satellite feeds into confidence-scored hazard events and CAP-style alerts.

Oryza: COD control-room triage for Bangladesh orders

A Bangla-first operations workflow site that turns missed calls, failed courier bookings, and COD mismatches into named desks, scripts, and time-bound follow-ups.

Outback Backup — backup you can prove

A managed backup service that emphasizes verifiable restores, immutable storage, and browsing/pulling single files from restore points.

Pentonym: signed JSON API for brand-name clearance screening

A cryptographically signed, evidence-backed API that returns only PROCEED / DO_NOT_PROCEED / CANNOT_DETERMINE for brand-name clearance—explicitly not legal advice.

Pentonym: clearance screening as a signed JSON API

A developer-facing API that returns legal-style clearance verdicts (PROCEED / DO_NOT_PROCEED / CANNOT_DETERMINE) with cryptographically signed, verifiable receipts.

PitPro POS: the “service lane operating system” for independent shops

A lane-first POS/workflow platform for automotive service shops, with live-ish operational dashboards and a demo-first sales flow.

Kage (playkage.app) — local-first Japanese immersion studio

A browser-based tool that turns your own video into Japanese immersion with layered subtitles and on-device Whisper.

PriceOrigin — the full product audit trail

A compliance/provenance data layer that claims to unify 30-day price history, trader provenance, and packaging/EPR status into one regulator-ready audit trail.

The P.I.T. Protocol — Public Information Transmission

An open-source, consent-first “knowledge transponder” protocol for turning community talks into permanent, forkable public archives.

Q-Safe Shield: post-quantum readiness for financial PKI (with a “47-day lifecycle” pitch)

A post-quantum cryptography readiness product for financial infrastructure that turns TLS/PKI evidence into a board-ready migration plan.

RouteLens · live BGP pulse

A dark-ops style map for watching global BGP announcements/withdrawals in real time, with a looking-glass style query.

RuptureOps: StarRupture factory planning database + calculators

A niche, calculator-heavy planning database that turns a single item/machine into exact rates and upstream production chains for StarRupture.

SABIR VAULT — Enterprise Digital Dossier Platform

An air-gapped, deterministic pipeline that turns messy document archives into “verified” dossiers with cryptographic proof and export-ready evidence packages.

ScopePaid — scope-change decisions for freelancers

A workflow tool that turns “one small change” client messages into recorded, editable decisions (with AI drafting) before unpaid work happens.

SDKScore: a neutral benchmark for AI agent SDK integration code

A continuous, TypeScript-compiler-graded leaderboard testing whether AI coding agents can correctly write SDK integration code.

SecretSpan — post-quantum readiness grading for your external attack surface

An agentless scanner that captures cryptographic handshakes and grades harvest-now-decrypt-later exposure, with a sample report and published rubric.

SEED EIA — AI Environmental Intelligence

An invite-only AI workspace for evidence-traceable EIA review, with officer-controlled verification and source-page trails.

Setra: a “settlement layer” for tokenized equities

A highly specific pitch for atomic delivery-versus-payment settlement and a canonical asset registry on Robinhood Chain—complete with docs/terms and concrete integration steps.

ShieldGate — Enterprise firewall platform (WAF + gateway + network edge)

A multi-tenant WAF/application gateway/network firewall platform with detailed security feature claims and a docs/academy-style structure.

ShieldGate — enterprise firewall platform with WAF + gateway + network edge

A multi-tenant WAF/application gateway/network firewall platform with a fairly complete docs/academy presence and clear security feature framing.

KFOO’s “Stop Loss BOT” — a capital-guardian for Binance Futures

A stop-loss enforcement bot concept with a live “session simulation” and a risk-cap slider (1%–20% of margin).

SlateCut — Record the take. Skip the edit.

A native macOS screen recorder that auto-zooms, trims silence, transcribes on-device, and levels voice—without uploading or keyframing.

SDL Project: software-defined laundromats

An open-architecture concept site proposing a five-layer “software-defined laundromat” model with local-first execution and hardware-agnostic adapters.

Spam Blockerr — creator anti-scam moderation (with “trust theater” vibes)

An AI moderation product that claims to scan YouTube comments and X replies, remove scam replies, and ban repeat impersonators—plus it includes explicit scam examples on the page.

SRVCheck: Linux fleet monitoring with a tiny Go agent

A focused Linux monitoring product that ships a static Go agent and watches CPU/iowait/temp/RAM/disk/network/RAID health on a 30-second cadence.

StatusKit / certwatch: SSL & expiry checker as code

A free, no-signup SSL + domain-expiry “certwatch” probe, plus an API for agencies to automate it across client fleets.

Strata9 — Subsurface Intel (Texas well-record map)

A niche, operator-grade map that turns Texas well-of-record data into four explorable layers—free to look, subscription for deeper work.

Switchi — keyboard-first macOS app/window switching

A command-palette-style macOS switcher that promises global shortcut + fuzzy search across Spaces, controlled entirely from the keyboard.

Sysana — AI System Intelligence for Mac

A Mac-focused “AI diagnostics” concept that turns live telemetry into evidence-backed explanations and suggested next steps—positioned as on-device and approval-gated.

SystemVitals — uptime monitoring with escalation + public status pages

A production-reliability monitoring service that turns cron heartbeats into escalating alerts and shareable status pages—plus an MCP server for Claude Code.

TerraTester: traceable lab records for materials testing

A laboratory information management concept built around an “append-only” chain from specimen to certificate, with worked examples and SPC/certification logic.

The Three Fires™ — Character Risk Intelligence

A high-concept “character risk” platform that frames workplace misconduct as three ancient drives, then claims AI diagnosis + training + tracking.

trackdefi — read-only LP position tracker

A no-login liquidity pool tracker that promises “every LP position” for a wallet address, including staked gauge positions.

trackedt — easy ExoClick tracking

A beginner-friendly SaaS that routes ExoClick ad clicks through your own server and reports conversions back to Exo.

Accrue — the yield terminal for on-chain income

A Robinhood Chain “yield terminal” that pairs an on-chain position watcher with an AI agent to draft compounding rules for you to approve.

TurnAuthentic — AI Text Detection & Humanizer

An explainable AI-text detector plus optional LLM “humanizer,” with transparent heuristic scoring and sentence-level highlights.

UnblockAPI — agent roadblock unblocking, bundled into one key

A narrowly focused API for captcha solving, browser rendering, temp email, SMS verification, screenshots, and web search—positioned as “one API” for AI agents, with flat pricing and an MCP server.

Validia — Verified-human API for the deepfake era

A developer-facing liveness + deepfake detection API that mints a short-lived “verified-human” token after a ~10-second camera check.

Veridex Verify

A trust-score pipeline for URLs, emails, QR codes, and screenshots—built to explain its verdict in plain language.

VibeBot: “read my site and answer” chatbot builder

A Korean AI chatbot builder that promises you can paste a URL and get a site-reading support bot with citations and a one-line embed.

Volture: offline-first SCADA as a sealed appliance

A niche substation automation/SCADA platform pitched as “secure by construction” for small utilities that can’t staff an OT security team.

VRC Downbeat: sample-accurate VRChat remote jamming

A Windows app concept for VRChat bands that avoids network latency by syncing everyone to the same backing track and reassembling on the host.

WanderBridge: rubber bridge scoring + bid coach in a live scorepad

A bridge practice app that keeps hands/running totals in sync and offers a “bid coach” that explains each call from your own cards and the auction.

WebhookOps — Inspect, Replay & Forward Webhooks

A practical webhook debugger that promises “every webhook, under control,” with a clear inspect → forward → replay workflow.

Wellenbrecher: local-first anti-spam for WordPress (with explainable scoring)

A WordPress anti-spam plugin pitch that emphasizes “no cloud,” transparent scoring, and a fail-open design—plus a visible quarantine/observation flow.

WhatTheClip: a local-first macOS clipboard manager

A focused macOS clipboard history app with per-app favorites, an overlay paste flow, and encrypted local storage.

WINAY LAEF: a Pacific “sovereignty stack” dApp pitch

A Cardano/DePIN-flavored decentralized app concept tying land DID records, community governance, and health-data token incentives into one “Pacific sovereignty” narrative.

Wit: a document language for LaTeX refugees

A parser/AST-based “document language” that compiles one manuscript into HTML, Markdown, and print-ready PDFs—without the LaTeX tax.

zerrox' security blog

A security blog that posts CTF writeups and hands-on exploitation notes, including DNS exfiltration and systemd persistence.

FaceFocusVR — open-source eye & face tracking for Valve Index

A plug-and-play, open-hardware VR retrofit project with install guides and compatibility notes for eye/face tracking.

Dolphin: licence-gated connectivity for Chinese EV head units

A niche in-car “suite” for keeping Chinese EV head units online—activated via a Telegram-delivered licence code.

HomiDrive — Private home cloud without a NAS

A waitlist for a private home cloud that turns your existing computer into a drive, with Wi‑Fi transfers and remote access (files stay on your hardware).

KCC20 Indexer — Kaspa covenant data

A live Kaspa KCC20 indexer that exposes covenant/token activity as straightforward JSON and a public API docs hub.

Merdown — Mermaid + Markdown for macOS (local, Git-aware)

A lightweight macOS client that previews Mermaid diagrams and lets you browse Git history without signing in.

MintPier: Solana token-ops workspace with pre-fee estimates + audit trail