MassCode
massCodeIO
A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.
CodingSkill source unconfirmed
6.8KGitHub
OPENAGENTSKILL / DIRECTORY
AI Agent Skills
Find a skill for your next task. Explore tools for Codex, Claude Code, Cursor and more.
Results · “penetration-test”
129–144 / 474
More filters · 1
Candidates in this shortlist, not the full registry. GitHub stars belong to repositories, not individual skills.
Results: 474
Omni Tools
iib0011
Self-hosted collection of powerful web-based tools for everyday tasks. No ads, no tracking, just fast, accessible utilities right from your browser!
9.7KGitHub
17.3KGitHub
Stagewise
stagewise-io
The Open Source Agentic IDE. Create and orchestrate coding agents, show app previews and run git workflows. Use your favorite models across all providers.
CodingSkill source unconfirmed
6.7KGitHub
4.9KGitHub
8.7KGitHub
Jsonhero Web
triggerdotdev
JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed. 🚀. Built with 💜 by the Trigger.dev…
CodingSkill source unconfirmed
10.8KGitHub
Sandcastle
mattpocock
Orchestrate sandboxed coding agents in TypeScript with sandcastle.run()
CodingSkill source unconfirmed
6.1KGitHub
How To Build A Coding Agent
ghuntley
A workshop that teaches you how to build your own coding agent. Similar to Roo code, Cline, Amp, Cursor, Windsurf or OpenCode.
5.7KGitHub
Worktrunk
max-sixty
Worktrunk is a CLI for Git worktree management, designed for parallel AI agent workflows
5.5KGitHub
Shimmy
Michael-A-Kuykendall
⚡ Pure-Rust WebGPU inference engine — OpenAI-API compatible, GGUF native, runs on any GPU. No Python. No llama.cpp. Single binary.
5.4KGitHub
D2
terrastruct
D2 is a modern diagram scripting language that turns text to diagrams.
CodingSkill source unconfirmed
24.5KGitHub
FreeDomains
stackryze
Stackryze Domains: Free Domain for Everyone, Claim yours today.
CodingSkill source unconfirmed
5.1KGitHub
Hey API
hey-api
👨🚀 Ecosystem for turning API specifications into production-ready code. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.
CodingSkill source unconfirmed
5KGitHub
Orca
stablyai
Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop and mobile.
5KGitHub
Emdash
generalaction
Emdash is the Open-Source Agentic Development Environment (🧡 YC W26). Run multiple coding agents in parallel. Use any provider.
4.9KGitHub