The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Official electron build of draw.io

PDF Reader in JavaScript

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

ToolJet is the open-source foundation of ToolJet AI - the enterprise app generation platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀

Client-side JavaScript PDF generation for everyone.

500 Lines or Less

An AI-powered task-management system you can drop into Cursor, Lovable, Windsurf, Roo, and others.

Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.

Free Modern URL Shortener.

a react-based framework that provides accessibility, modularity, responsiveness, and theming in a tidy package

Open Source Javascript Gantt

Burning through your subscriptions too fast? Paying for stuff you never use? Stop guessing. OpenUsage is free and open source.

The harness layer for Claude Code — a reference implementation of harness engineering with hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety whe…