Developer Corner

A draft open format for recording an unfinished task so another AI system or app can continue it.

Mainline is an in-development US freight and passenger train simulator, currently focused on modeling brakes, train resistance, and locomotive behavior.

An archive of online-service outages, with live status checks, incident histories, and reliability rankings.

A browser-based tool for exploring Codex session logs and seeing where token usage and context growth come from.

ForcePose pairs a wearable band with software that turns forearm muscle signals into finger joint angles and fingertip force for robotics research and training.

A research project describes a DJI Tello drone controlled by circuits modeled on a fruit-fly connectome, alongside a simulator and banana-seeking demo.

A security reading desk for known-exploited vulnerabilities, incidents, and AI-related security records, with source links and filters.

A local-first tool measures how much received data is repeated, from a browser-read HAR file or live command-line traffic.

Netdryrun runs network changes in a containerlab topology, checks routing behavior, and can fail a CI job when an expected condition is violated.

An open standards project for connecting games to motion rigs, haptics, dashboards, and other hardware or software, centered on its OGS Telemetry Standard.

An open-source, self-hosted real-time whiteboard for sticky notes, diagrams, and retrospectives, with browser-based WebMCP commands for AI agents.

A browser-based tabletop platform where board and card games run from rule files that can also be read, tested, and used to build new prototypes.

An online research workbench for connecting models to Lean and Mathlib proof tasks, then checking submitted proofs with an independent Lean process.

A developer tool for handing coding agents structured questions and answering them remotely, including from a phone.

Borough presents a browser-based 3D city-life game where players make a character, find work, set up a home and form crews.

A free anti-cheat plugin for Minecraft servers, built around predicting player movement and flagging actions that don't match.

This open-source tool runs CLI-agent sessions on your own server and lets you check in from a laptop or phone.

The project describes an iPhone app that writes selected Apple Health data as JSON files for an AI to read through a local MCP server—or directly from a shared folder.

LinApple presents an Apple II emulator for Linux, with desktop, terminal, and headless frontends.

An open-source robot-control tool that turns a robot description into proposed joint gains, using a model-based starting point followed by measured tuning.

A command-line renderer for Office documents and PDFs that produces PDFs or page images and reports detected rendering losses.

A developer tool for creating and checking proofs of individual shielded Zcash payments without exposing a wallet’s full history.

A live network monitor tracks BNB Smart Chain nodes, client software, hosting locations, validators, block builders, and sampled order flow.

A page and API monitoring tool that compares snapshots and sends changes through channels including webhooks, email, Slack, and streaming connections.

An early-alpha assistant guides hardware bring-up, from connecting sensors and checking live readings to describing automation rules in plain language.

A command-line toolkit and Rust library for inspecting Semantic Definition Format (SDF) connected-device models and generating test values from their constraints.

A searchable reference to optical-fiber cabling, its test methods, and the standards that govern it.

A Windows connector that brings AI-agent edits into an already-open 1C:Enterprise Configurator, including code and form changes.

A macOS vault that lets AI coding agents request API keys for commands, with user approvals and an audit trail.

A tracking API and MCP server that returns package scans in a unified format across hundreds of carriers.

An engineering reference for liquid cooling in small data centers, with formulas, calculators, and comparisons of cooling equipment.

Outage Gym presents local simulations where teams diagnose broken production systems, fix them, and practise incident communication.

Portable Workout Format (PWF) is an open JSON-based format for writing workouts, with examples and browser tools for building and playing them.

A builder’s portfolio of software for trading developers, data scientists, and programming teachers.

ShipTested presents pre-release security checks for small teams, covering lockfiles, secrets, staging hosts, and sandbox-tested fixes.

ShipThis is a command-line tool for building Godot games for iOS and Android from Windows, Mac, Linux, or Android—without needing a Mac for the iOS build.

A bounded developer-beta tool for comparing expected source and index data with observed retrieval results.

A 2D game engine where a person and an AI agent work on the same running game, with tests and command-line tools connected to that shared world.

An API for AI agents and developers to retrieve Amazon product data, run deal and profit checks, and track product changes.

FlowCheck describes a tool that reruns signup, login, and checkout paths and emails a screenshot and fix prompt when a check fails.

A colocation facility in Limestone, Maine, presenting immersion-cooled servers as an alternative to conventional air-cooled data centers.

An open Arabic-language toolkit for people running language models locally, with a terminology glossary, tokenizer comparison, model benchmarks, and a cost calculator.

owndiff says it compares GitHub pull requests with product requirements, business rules, and past decisions to show what changes for users.

A personal aerospace engineering site pairs aircraft tracking with live status data from a 1090 MHz receiver.

A Texas student team is building a low-cost underwater robot intended to find, follow and film marine life 50–300 metres below the surface.

A data service for exploring tourist and accommodation tax rules by jurisdiction, checking property defaults, and integrating results through an API.

An open-source, self-hosted slicer and print-farm manager for coordinating jobs across several 3D-printer ecosystems.

A cloud service for checking WordPress contact forms, with browser submission, WordPress acceptance, and email handoff reported as separate stages.

ShipLoop presents a workflow for indie iOS developers that turns TestFlight screenshots and crash reports into tracked issues, agent-created pull requests, and new test builds.

A licensed corpus of signed public-company disclosure records, offered market-year by market-year for model teams and research desks.

A proof-run comparison tool that checks outputs in four-byte groups and stops at the first byte whose difference exceeds a chosen threshold.

Resonance IVR presents an automated testing service in which AI agents place calls to check IVR paths before release.

Substraxia lets visitors write and run computational programs in a browser, working with matrices, tensors, and gradients.

Patchdeb advertises a paid apt repository of patched PHP packages for older Ubuntu and Debian systems, including PHP versions no longer maintained upstream.

A hardware-lab landing page describing plans for a hackable cyclocomputer and telemetry race logger, with open schematics and firmware as the goal.