Developer Corner

An open-source reference harness for evaluating orthopaedic AI with staged cases, separate clinical yardsticks, and checks for omissions, citations, and decision process.

RubyClaw is an open-source Ruby harness for AI agents, designed to create and verify tools, manage persistent tasks, and require approval before restricted actions.

A Flutter package that renders widgets across configured themes, locales, devices, and text scales, then compares the images with saved goldens.

A terminal multiplexer for running multiple coding agents and shells, with visible states for working, waiting, done, or failed.

An open-source vector editor that combines CLI drawing, browser-based editing, and readable .pen design files.

Playport presents an open-source iOS app intended to run x86-64 Windows games directly on a non-jailbroken iPhone, without a PC or streaming.

CSSV is a plain-text format that pairs CSV data with CSS so a browser can render a styled HTML table from one file.

An open-source Swift analyzer that identifies unused code and explains each finding with a confidence level and reason.

Lettuce describes a local-first work tracker where people and software agents record tasks, evidence, and what remains unresolved.

A self-hosted dashboard for monitoring a home server, its domain, and other services on the machine.

A registry for searching and comparing open-weight models by artifact details, licensing, context, formats and related evidence.

OXIS is an open-source terminal for Windows and Linux that runs familiar shells alongside an editor, project workspaces, workflows, and Lua plugins.

A public security tool for checking whether detection rules from seven ecosystems cover a CVE or MITRE ATT&CK technique.

Tide is a game engine with its own ECS-oriented language, designed around deterministic simulation across multiplayer, desktop, and web builds.

Tracegrab is an MCP-native debugger that lets an AI agent trigger scenarios in a running process, inspect what happened, and compare later runs against a saved trace.

An open-source Python framework lets coding agents compose instrumental cues locally, with editable scores.

Boat Box offers MCP tools for AI agents, including tide reports, omens, loot, character sheets, a captain’s log, and a solo Battleship game.

This free, self-hosted app turns YouTube and Internet Archive playlists into scheduled channels for Plex, Jellyfin, Emby, and other IPTV players.

Device Cloud describes an app that serves files and desktop tools from a phone, tablet, or computer to browsers on the device, nearby, or remotely.

Ari Wilson offers to compare coding agents by having them redo bug fixes or features from a team’s codebase, then scoring their attempts against the tests that originally proved each fix.

A local-first harness for planning, running, and checking coding-agent work across projects.

BenchTape presents a workspace for operating, measuring, and documenting physical engineering systems in an inspectable trace.

A beta game platform where AI agents play multiplayer games while their human owners can watch replays.

Sipral presents a Rust-based SIP client stack for softphones and voice agents, exposed through one C ABI and bindings for multiple languages.

A free, open-source proxy for PyPI and npm that delays brand-new package releases, blocks known malware, and verifies downloads.

A catalog of parametric 3D assets that can be customized in a browser or through an AI agent, then exported in several formats.

A free, open-source recorder for P25, SmartNet, DMR, and conventional radio calls, available for desktop or in a browser.

Antenna presents a private messaging system for people and AI agents, with a local daemon that checks what each contact is allowed to do.

Natterjack describes a local dashboard for running coding agents and apps, while letting non-engineering teammates ask read-only questions about a team’s code.

An open-source tool that keeps a searchable Telegram archive on your computer and lets an AI assistant read it.

Eggify is a macOS app for running multiple AI coding agents on your repositories, with separate sessions, terminals, branches, and permissions.

Erius Phone presents a virtual Android device that AI agents can control through an API, including to test apps or use mobile apps.

An open-source playground for designing loading, thinking, and typing indicators, with exports advertised for frameworks and formats including React, SVG, GIF, and Flutter.

A public method, diary, and set of scorecards for examining AI adoption inside a fictional 50,000-worker infrastructure group.

A Windows app that organizes Claude Code and Codex output by version, then lets you annotate it and send feedback to the session.

An interactive showcase for stepping through graph algorithms implemented in the gograph Go library.

A suite of Apify-run tools for screenshot diffs, technical SEO checks, PDF extraction, and sitemap validation, priced by completed result.

An open benchmark for testing how rewritten product listings affect citations from live AI search engines.

A Japanese-language benchmark compares text, translation, image, and video AI models running locally on a Mac Studio.

A native Mac design app where AI agents can create and edit layers alongside a human designer.

An open-source, self-hosted tool lets AI assistants retrieve information from notes and selected files through MCP.

Onset is a free Windows app for voice chat, text rooms, file sharing, and screen sharing through a server you host yourself.

Pathix presents a self-hosted, read-only forensics platform for tracing dependencies, permissions, and changes in Microsoft Dynamics 365 and Dataverse environments.

QR Code 42 manages GS1 Digital Link QR codes that serve as retail GTINs and shopper-facing web links, with routing by language, country, or lot.

QuickCMD is a paid macOS utility for saving shell commands as one-click buttons, with live output and project-based command groups.

Signal//Noise is a publication that offers its current edition to people on the web and to agents through a free, read-only MCP connector.

A browser-based regex tester that highlights matches, displays capture groups, and explains patterns across several regex flavors.

rimor is a keyboard-first terminal workbench for browsing database catalogs, writing SQL in tabs and viewing query results.

A local plugin that turns a task an AI agent has learned once into a checked, resumable workflow for processing new rows of data.

Sendpaper presents an MCP server and REST API for AI agents to prepare physical postcard and letter orders, with the user approving payment.

A hosted SMPP 3.4 SMSC simulator for testing SMS clients, inspecting submitted messages, and running load tests without sending to real phones.

VibeProtect says it scans apps made with AI builders for exposed keys, permissive database rules, vulnerable dependencies, and other security issues, then supplies builder-ready fix prompts.

An experimental open-source tool that trims command output for Claude Code and other coding agents while preserving the original output for later retrieval.

A collection of Three.js and WebGL browser games, including shooters, racers, action games, and 3D showcases.

A free macOS menu bar app that groups local dev servers by repository, worktree, and branch, and can stop processes or run project scripts.

showmytokens turns Claude Code usage into a shareable receipt with token totals, session stats, streaks, and a heatmap.

Wardbar is a macOS menu bar app that tracks AI coding agents, their requests for attention, and development-server ports left running.

A Windows desktop dashboard that turns Claude Code transcripts into daily usage, cost, session, and Git activity summaries.

An API product for Nigerian fintech teams that checks postcodes and offers address and identity verification at different levels.

Clone Information’s Cloudflare-built suite of edge tools includes website monitoring, short links, page-change tracking, and personal notes.

QAgents describes a tool that explores a staging app, runs browser test cases, and attaches evidence to failures it flags.

A browser workbench for generating, replaying, and exporting reproducible randomness experiments for games and agents.

A Dhaka mobile studio presents a tester-led pipeline for apps and games, including Ledger Book, a budgeting app currently in testing.

A free Windows and macOS editor for making 2D games with JavaScript and exporting them as HTML5.

An open research project working toward a stock Akai MPC2500 emulator, with development milestones and caveats posted in public.

A waitlisted developer tool that says it tracks upstream API changes, maps their impact on code, and prepares tested pull requests.

Groovian presents a private-beta network for distributors and DSPs to screen artists, releases, and accounts against shared fraud signals.

A CRA scope checker and open-source CLI for indie Apple-platform developers, with paid hosted vulnerability monitoring listed for early access.

A desktop app that reports supported coding-agent activity through a three-color status light and a team board for handing off work.

A pre-launch SQL client for MySQL, MariaDB, PostgreSQL and SQLite, presented as a shared app for phones, tablets and desktop systems.

tdrop presents a file-sharing service with browser, command-line, and cURL workflows, plus selectable expiration times.

ZonePen describes a DNS management service that uses reusable templates to define records, deploys zones to multiple providers, and checks for changes that drift from the declared configuration.

A catalog where buying agents can negotiate for company-owned software deployments, make a bulk offer, or request bids from maker agents.

An MCP server for submitting product-buying requests and grouping them by brand, model, and country.

A service directory for provisioning and operating Muse containers, with public status, operator docs, and agent-facing coordination links.

Compares per-second AI video generation prices across hosts, with a calculator for estimating costs by model, resolution, clip length, and monthly volume.

A Romania-focused solar resource model presents photovoltaic output estimates, satellite shading and forecast data through a dashboard and listed API routes.

Murlume presents a live or replayable office-screen view of GitHub work, translating repository activity into an animated scene.

A Texas software studio outlines four planned iPhone and Apple Watch apps, from a Tor browser and on-device vault to pollen and horse-heat guides.

A pay-per-call API returns French company officers and probable business emails, with payments handled through x402.

Cyber CTF presents a launcher for local cybersecurity labs, with completion based on evidence gathered rather than flags. The homepage says no labs have been published yet.