Developer Corner

A detailed build guide for recreating a Codex-inspired keypad with 3D-printed parts, hand-wired electronics, CAD files, and custom firmware.

CrawlState checks a domain’s robots.txt and live responses to show whether its stated AI-crawler policy matches what the site actually serves.

A free, browser-based water-network modeling tool that draws, solves, and exports EPANET files without pretending to be EPANET.

A free, browser-based water-network editor that draws, solves, and exports EPANET-compatible models.

An open-source Japanese agent harness that turns AI-assisted company work into recorded, resumable Work items.

A browser checker and command-line tool that finds where Node projects break on Windows, with optional paid audits and repairs.

A free, MIT-licensed embed builder for live streamflow, gauge height, water temperature, and trend charts from more than 13,000 USGS stations.

A free browser game where players use real terminal commands, then investigate the SOC alert queue generated by their own actions.

This browser-based observability tool maps OpenTelemetry traces and metrics onto an isometric town of buildings, roads, traffic, weather, and repair crews.

An open-source acoustic detector that identifies drone propellers without relying on radio signals.

A RAG chatbot starter kit that builds prompt-injection defenses, context isolation, tool allow-lists, and output filtering into the boilerplate.

A public forum where AI agents ask questions, share discoveries, test connectivity, and leave knowledge for other agents to use.

Aisthe is documenting an unbuilt instrument that records a single event through seven synchronized sensory channels.

A Fabric mod that lets Minecraft players build armor from interchangeable parts, skins, cloth, materials, and fittings.

A European relay service carries live audio for community, campus, cultural, and archive radio projects without requiring each station to serve every listener itself.

An open-source, offline scanner and platform for checking AI-agent skills and their supply chain.

A low-latency HTTP/1.1 server and client for .NET 11 that gives applications direct control over polling, threads, buffers, and batching.

A control layer that intercepts AI-agent tool calls, applies policy, routes risky actions to human approval, and records each verdict in a hash-chained ledger.

A Raspberry Pi-based MIDI controller that triggers live audio and video without requiring a laptop on stage.

Crier lets AI agents publish and discover public events, offers, requests, and announcements through a searchable board and several machine-readable interfaces.

An open test page designed to reveal whether GPTBot, ClaudeBot, and PerplexityBot fetch JavaScript, read it, or actually execute it.

An open, 3D-printed EMDR kit with two wireless tapper pods and a light bar, controlled from a phone browser without an app or account.

A playable chess variant where knights can keep leaping in one direction, with a program named Euler calculating the replies.

A narrowly focused error tracker that captures unhandled Lua errors across the FiveM servers running a script.

Yusuf Eminoğlu’s research platform gathers QGIS plugins, Python SDKs, urban-planning research, training, and consulting around open-source GIS.

BookPress presents a compiled native core for serving WordPress blogs and brochure sites with familiar themes, plugins, admin screens, and URLs.

A command-line outbound toolkit that defines campaigns in YAML, runs them as pipelines, and records a cost receipt.

An API for querying archived hourly rank and point histories instead of seeing only what is trending right now.

A systems engineer’s portfolio of compilers, developer tools, and privacy-first Android software.

A public tool that checks IP addresses against multiple sources, assigns a trust score, and exposes disagreements about VPNs, proxies, hosting, threats, and location.

Ken’s home for a family of ATproto projects, including scheduling polls, a Bluesky challenge game, and a public food diary.

OhmNest combines circuit diagrams, waveform simulation, PCB layout, and electrical documentation in one browser workbench.

An open relay where AI agents take on small public problems, leave evidence, and pass unfinished work to other agents for checking or continuation.

A developer tool that analyzes URLs, screenshots, and screen recordings, then exports design tokens and Base UI components through a shadcn registry.

A GitHub Action that investigates dependency-breakage patches inside your own CI and grades them against test evidence.

An open-source tool that turns a reference webpage into a measurable contract, then reports how an implementation differs.

An MCP server that finds SKILL.md files in installed packages and exposes them through three focused tools.

A machine-only infrastructure layer where autonomous agents can exchange knowledge, publish documents, use tools, and communicate through REST and MCP interfaces.

A free, keyless API that turns Minecraft player skins and mobs into embeddable PNG renders.

A field atlas that turns phone-based LiDAR and photogrammetry scans into robotics-ready spatial datasets.

An empirical index tracking which versions of fast-moving software libraries AI coding models can correctly identify.

A self-hosted or managed platform that inventories network assets, maps their connections, proposes approved changes, and assembles compliance evidence.

A free, local Chrome tool uses OCR and browser translation models to translate text from a shared desktop window.

An open framework and reference implementation for digital product passports that lets different jurisdictions read a shared product record through their own lenses.

An open-source credential and capability broker in development that lets AI agents use APIs, command-line tools, databases, SSH, and logged-in browsers without exposing the underlying keys.

A normalized, daily-refreshed dataset of hospital-published US prices, with API access, bulk exports, and publication-change tracking.

An open-source native macOS menu-bar client for IPsec, WireGuard, OpenVPN, and L2TP/IPsec connections.

An in-browser kernel lab that models lanes, banked memory, contention, and replayable execution without requiring a physical chip.

An interactive reinforcement-learning laboratory where an autonomous explorer trains to navigate editable, visual worlds.

WindAnvil presents a software-assurance system that pins source identity, binds policy, records execution evidence, and issues a portable PASS, FAIL, or BLOCKED record.

A billing SDK for per-second subscriptions on APIs, GPUs, streams, and other services that run while customers use them.

Layforge is a self-hosted tabletop RPG platform where an AI narrates and referees sessions while a server-side rules engine handles the dice, checks, spells, and turn order.

A personal, bilingual build log following the construction of a self-developed robot from first LED experiments toward a mobile body and AI-controlled arm.

A public asynchronous board where AI agents leave messages, reply across threads, and invite other agents into the conversation.

Airlive Camera sends an iPhone’s camera feed to Airlive Bridge, OBS, or a receiver you build yourself.

A Japanese programming reference that lets readers edit, execute, and inspect code examples directly in the browser.

Copperbench benchmarks language-model agents that edit KiCad hardware designs, checking their work with kicad-cli and publishing pass rates alongside cost.

An open certificate-transparency search tool for finding hostnames associated with a domain.

A browser-based workspace for laying out software architecture in 3D, connecting components, and exporting models to text formats.

A browser-based analyzer that turns JVM GC logs into pause, throughput, leak-signal, and tuning reports.

Inkiva is a free, open-source desktop Markdown editor for macOS, Windows, and Linux that renders formatting directly in the document as you write.

Mirador is a self-hosted observability console for AI agents and workflows, tracking health, compliance, costs, latency, and the reasons behind changes.

A web-based converter that claims to transform IFC building models into manufacturing-ready STEP AP242 files, retaining geometry, tolerances, and assembly relationships.

Open OTA is self-hosted over-the-air update infrastructure for Expo apps, running in a developer’s own Cloudflare account.

A public-beta Cardano market terminal that combines DEX liquidity, token charts, trades, portfolios, watchlists, NFTs, and wallet-based features.

A free, local-first tool for annotating images and evaluating text responses for computer-vision and language-model datasets.

A read-only scanner checks iOS projects for App Store submission problems, then points to the file, evidence, and fix.

A version-control system for game assets, code, and collaborative worldbuilding.

A WordPress security plugin that detects malware, restores altered files, and removes injected code while preserving legitimate functionality.

A pricing comparison that converts SERP API plans into comparable dollars per 1,000 searches.

A free scanner that inspects public agent-skill URLs or uploaded source files for risky patterns before installation.

An embeddable trail-map product lets ski resorts add explorable 3D terrain, runs, lifts, and resort data with one script and a custom HTML element.

A macOS workspace for running OpenCode, Claude Code, and Codex sessions in parallel, each isolated in its own Git worktree.

NEXUS describes an edge-first platform that turns existing CCTV and ANPR feeds into structured vehicle events, journey graphs, and traffic analytics.

Mainframe helps engineers build replicated services and databases around an ordered, durable shared log.

A library for building replicated services and databases around an ordered, durable shared log.

An open, machine-readable reconstruction of the United Nations Trade Data Elements Directory, covering 1,504 standardized trade data elements.

A developer tool that searches local or S3 video libraries by natural language or regex, then returns timestamped clips for people and AI agents.

Wyn catalogs launch settings for running Windows games on macOS through Wine, with community-submitted profiles and downloadable JSON.

A plain-HTTP, JSON-based board where AI agents can search findings, publish observations, and ask other agents for help.

A beta tool that reads GeneXus knowledge bases from versions 7.5 through 18 and exports their rules, data models, flows, and dependencies as Markdown and JSON.

A focused diagnostic tool for checking MX, SPF, exact-name DMARC, SpamCop status, and reverse DNS.

APSL is a robotics and embedded-systems studio working from hardware boundaries through production firmware.

Chocola is a web framework that compiles enhanced HTML, CSS, and JavaScript without a bundler or virtual DOM.

A no-account tool that converts pasted values, files, screenshots, or URL parameters into structured cards with one-click copying and shared progress.

An open-source terminal frontend for the DeepSeek Harness plugin ecosystem, with session browsing, subagents, jobs, provider settings, and context inspection.

An open-source Italian ambulatory record system that brings patient history, documents, therapies, measurements, and follow-up tasks into one structured view.

A catalogue of 55 European marketplace, property, procurement, and pricing scrapers that return commercial data without extracting seller identities.

An intent-assessment API that analyzes a counterpart’s statements and returns a structured, directional reading with confidence, evidence, provenance, and stated limits.

A browser-based training simulator where engineers investigate realistic MySQL failures with SQL, schema inspection, hints, and diagnosis.

A server-side bot-verification service that combines browser, network, and email-domain signals into an allow, review, or deny verdict.

A WordPress security plugin that scans for malware, restores altered core, plugin, and theme files, and removes injected code.

A one-person technical guide site documenting tools, commands, failures, costs, and experiments that made it into practice.

SORALINX is an experimental aviation project developing MIRAQ, a flight computer for small powered aircraft and sky sports.

Foreland builds and hosts a custom app around one manual process in a small Irish business, for a fixed price.

A computational audit service that ranks likely target genes for ambiguous non-coding CRISPRi hits and GWAS loci without requiring cell-type Hi-C.

A lightweight web protocol lets self-governing communities acknowledge one another through domain-hosted JSON.

A social network where coding agents share findings, ask questions, discover domains, and collaborate through connected agent identities.

An open-source Rust binary that routes native OpenAI and Anthropic requests while managing provider keys, namespace budgets, and usage.

An open-source systems-language project with its own compiler, package manager, standard library, benchmarks, and assembly toolchain.

A focused toolkit for checking DNS, email authentication, SMTP availability, TLS, and certificate health.

A browser-based PDF compressor that also offers SDK, API, and self-hosted deployment options for document-heavy products.

A local CLI that uses headless Chromium to inspect a website’s first paint for tracking, consent, cross-border asset requests, and related European compliance issues.

An alpha Python tool that fine-tunes a small language model, converts it for LiteRT-LM, and measures whether it still performs on a user’s own task.

A web sound engine for chopping loops, running synthesized 808 and 303 instruments, and scripting live performances in the browser.

An interactive research prototype models how weather and atmospheric layers affect ground-to-orbit radio signals.

A tool for turning unfinished work into portable guides that agents, teammates, or future sessions can pick up elsewhere.

Purveyal is an API-first product discovery layer that returns structured product records, comparisons, limitations, sources, and prices over HTTPS.

A continuous external security scanner that checks public-facing domains for exposure, misconfiguration, unexpected changes, and expiring certificates.

A repository-connected tool that turns dependency and vulnerability signals into a reviewable CRA readiness record.

ToolPlexer gives agents one MCP endpoint and routes each request among tool providers, charging a single prepaid wallet for the winning call.

An MCP data layer for searching Australian trade-supplier products, checking store-level stock, and retrieving prices through an API.

A local MCP server lets Cursor, Claude Code, and Codex search their saved session transcripts from a current chat.

A private-beta workflow that tracks large-load interconnection from intake through commercial operation in ERCOT and PJM.

A developer API that retrieves public web pages through a lightweight request path or a browser-capable fallback.

An open coordination space where bots, scripts, agents, and people exchange work and leave behind public knowledge.

An API for scraping pages with CSS selectors that can be repaired and persisted when a site's DOM changes.