Developer Corner

A Japanese engineer’s portfolio pairs personal writing with open-source projects and interactive technical playgrounds.

A native macOS proxy for inspecting HTTP and HTTPS traffic from your Mac, iPhone, and Xcode simulators.

A free Mac utility that surfaces coding-agent activity in the notch, lets you respond there, and jumps back to the relevant app or terminal session.

Verdict tests mobile app workflows on real devices, checking the screen, app events, device data, and backend records before assigning a result.

A self-hosted network monitor that maps machines, paths and services from named vantage points, with check evidence attached to each state.

An open-source tool for writing explainer videos as documents that play in a browser and can be rendered to MP4.

Agent Lookout gathers coding-agent sessions running on your computer and shows which ones are waiting for you.

A collection of Claude Code recipes and guides paired with reported costs, timings, diffs, and pass/fail checks.

A petrochemical inspection planner presents an in-use API 581 risk-based inspection calculator and a live API 571 damage-mechanism screener.

Hyprmux is a macOS window multiplexer for tiling terminals, web pages, documents, and simulator screens in one window.

An incident-investigation tool for MSPs that turns exported security logs into cited findings, documented gaps, follow-up hunts, and client reports.

OpenClear is a multi-tenant platform for matching presented checks and ACH transactions against issued items, with a sandbox, API, and self-hosted deployment options.

A Three.js MCP server and Claude Code plugin lets coding agents inspect, control, test, and profile Three.js, React Three Fiber, and WebGL pages.

A browser-based toolkit for investigating suspicious email, checking domain health, and preparing follow-up actions for Microsoft 365.

Swift A11y offers free accessibility-testing tools for QA testers and developers, delivered as bookmarks or a browser extension.

An open-source geometry engine that cooks JSON node graphs headlessly and exports results for tools including Unreal, Blender, and Houdini.

Wireproof describes an MCP service that gives coding agents sourced evidence about how third-party APIs behave, including differences between sandbox and production.

An experimental guide for reconnecting older iPhones to test versions of their original apps using a project DNS resolver and a private certificate authority.

A prototype source-control system represents code as declarations and changes as semantic operations, then sequences those changes behind a policy gate.

An open-source macOS app that brings live Claude Code and Codex terminals from multiple Macs into one view, with controls to move or fork sessions.

An open-source scheduler for publishing YouTube Shorts, Instagram Reels and TikToks, from a dashboard or an AI agent using MCP.

A browsable directory of custom and third-party firmware and tools for synths, grooveboxes, samplers, controllers, pedals, and Eurorack.

An independent guide distinguishes the ArtCraft AI studio from its 13 open-source apps and helps readers choose a download.

The site describes an API that checks promises, predictions, and claims by organisations and public figures, linking each verdict to quotes and evidence.

Impeach presents a public process for challenging model benchmark scores with rewritten questions, verbatim-recall checks, and inspectable records.

Meridian Silicon offers structural optimization and embedded-hardware engineering, with a topology-optimization demo that runs in the browser.

Nishkam offers free browser-based Verilog practice problems and a chip-design studio that shows a design’s path from RTL code to layout.

OpenGunstore is a self-hosted, open-source point-of-sale system for licensed firearm dealers, with inventory, sales, compliance records, and AI-client integration.

Quartz offers an invite-only cloud computer where coding agents can work on tasks and return pull requests for review.

A desktop MIDI monitor that decodes MIDI 1.0 and MIDI 2.0 messages into Universal MIDI Packets for inspection.

AGC is a draft open standard for structuring the responses that hooks, linters, reviewers, and auditors give AI coding agents when they hit a gate.

Agent Computers describes cloud computers that mirror selected files, apps, and sign-ins from your computer for agents to use.

A local video editor where coding agents make edits through the same project interface a person can review and change in the browser studio.

An Arabic-language service for sending push notifications to websites and Android and iOS apps, with a setup checker, audience segments, and campaign reports.

A remote rental service offering whole Apple Silicon Macs, with SSH or remote-desktop access and rentals starting at one day.

An open-source Claude Code plugin turns usage signals into a leveling creature, with optional world rankings and private friend groups.

Colure presents a whitepaper on eclipse-minimising sun-synchronous orbits and the conditions for keeping a satellite out of Earth’s shadow.

An experimental page for building or emulating a hardware signer for Safe transactions, using a Cardputer and a secure element.

Eden Router shows how it would choose a model and reasoning effort for each task, with an interactive dial comparing cost and benchmark results.

An alpha voxel world that language models, programs, and people can play through a WebSocket connection.

Hunch Board lets users map a system, code structure, and screens in a `board.hunch` file, then pass that plan to an AI coding assistant.

A CLI and agent integrations let coding agents use credentials from a Bitwarden-compatible vault while redacting secret values from tool output.

MalGuard presents a Windows preview for static inspection of supported GTA 5 mods, alongside local tools for file hashing and checking URL text.

Olaverse presents open-weight NLP models for tasks including language identification, document extraction, diacritic restoration, and question generation.

An open-source desktop coding agent that runs on your machine and displays its tool calls, code changes, and reported cost.

A draft open schema and Python toolkit for recording material properties used in simulation, including tissues, body fluids, phantoms, and device materials.

Orbit is a desktop app for viewing and managing Claude Code sessions across projects from one window.

Bandung engineer Gerald presents laboratory instrument builds, design targets, research, and analysis methods.

Ruled is a browser-based Excel editor that checks workbook cells against developer-written schemas and saves the result as an .xlsx file.

Locket presents an open-source contract tracker for signed agreements, renewal decisions, version approvals, and assigned obligations.

A Spanish-language LATAM security service offering manual penetration tests for web apps and APIs, with a dedicated review for construction and BIM project systems.

SenseRing is a smart-ring project that records pulse and steps, displays readings as graphs in an Android app, and publishes its hardware, firmware, and app under GPL-3.0.

A free checker for pasted text, webpages, and MCP servers that looks for prompt-injection traps before an AI reads or connects to them.

A coding-practice workspace built around debugging tickets in unfamiliar codebases, with a browser IDE, terminal, and tests.

A planned iPhone and iPad terminal pairs a mosh client with plain SSH fallback for remote shell sessions.

Tessera presents a community chat service that groups can run on their own server, with voice, text, roles, and bot support.

A browser validator and API for checking UAE e-invoices submitted as UBL XML or JSON.

An open research effort proposing a benchmark for whether voice agents complete real-world tasks correctly, rather than merely sounding convincing.

A browser-based diagnostic checks an OpenID4VCI issuer’s metadata and, optionally, its pre-authorized-code issuance flow.

VibePatchers offers paid fixes for security and deployment problems in apps built with tools such as Lovable, Bolt, Cursor, Replit, and v0.

A document workspace that renders files such as Markdown, JSON, YAML, HTML, SVG, and Mermaid as shareable pages for people, while providing their raw contents to agents.

A free MCP server lets AI agents validate figures for supported IRS forms, then opens a browser-based tool to fill a printable PDF.

A browser workspace for placing GTA props, shaping scenes, saving projects, and exporting FiveM YMAP resources.

A visual Git workflow tool for creating, merging, syncing, and pushing branches across GitHub and GitLab.

An open-source browser PDF viewer and editor that developers can embed and customize in web apps.

A personal project shelf for Android and reMarkable experiments, including a keyboard bridge and a phone-photo-to-e-ink screensaver workflow.

A paid toolkit of prompts and T-SQL and PowerShell files for using coding agents with SQL Server.

TakeoverSeal presents a workflow for mapping software dependencies and preparing an evidence-backed operational handoff.

Vigil Born presents an idle MMORPG with character creation, skills, quests, trading, guilds, and automation controls.

A detailed project page for a free Linux desktop intended to make leaving Windows 10 feel familiar, with a described plan for running .exe programs in safer conditions.

A UK sole-trader service offering software rescue audits, technical due diligence, and ongoing app care for small software businesses.

Documentation for a Potawatomi speech-recognition project, describing a Whisper-small model adapted with LoRA and how to use its proposed inference interface.

A local MCP server lets AI clients read and edit open Figma files, with workflows for design changes, code handoff, and parallel work across files.

Sailfork is Git hosting that says it works with the Git client you already use.

Amiterra describes a CLI tool for setting up and operating ClickHouse and Kafka clusters on servers you rent or own.

An open-source CLI and MCP server searches public sources for clinical trials, FDA data, grants, papers, preprints, and drug-approval candidates.

CloudSlim offers a small Linux agent that aims to reclaim idle memory on servers so operators can run fewer VMs or reduce RAM costs.

Filepunch describes a peer-to-peer way to access files on Linux devices behind NAT, without routing file data through a server.

Fireflyt presents an autonomous-drone and predictive-software platform intended to give first responders wildfire awareness before ground crews arrive.

It offers outside-in security scans for apps made with tools such as Lovable, Cursor, Bolt, Replit, and v0.

A catalog of Apify-based scrapers and APIs for jobs, app reviews, web pages, documents, Telegram, and search visibility.

An open directory where people or AI agents can submit, browse, and vote on projects through a website or API.

A reverse-engineering lab for ECU and TCU firmware that sells per-file products and takes custom B2B projects.

A proposed architecture for AI agents that keep watch over ongoing work, retain cases, and leave people accountable.

Spirit Room offers to test and tune MCP servers, CLIs, APIs, and related developer tools so AI agents can use them more reliably.

Tektonian presents a Python framework for building simulation scenes and running robot-policy benchmarks.

A filterable leaderboard tracking growth among proxy clients, using GitHub stars for open-source projects and app-store ratings for store apps.

UREngine presents a tool for recovering Unity IL2CPP Android packages into browsable C# projects.

A catalog of JavaScript snippets for measuring and debugging web performance, runnable through an AI agent or directly in browser developer tools.

A French-language ECU tuning product presenting hex editing, 2D/3D map views, file comparison, and automated tuning features.