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

The React Framework for the Web

JavaScript API for Chrome and Firefox

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

🙌 OpenHands: AI-Driven Development

Daytona is a Secure and Elastic Infrastructure for Running AI-Generated Code

💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub.

Streamlit — A faster way to build and share data apps.

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

A modern file manager that helps users organize their files and folders.

Build, run, and manage agent platforms.

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

ShellCheck, a static analysis tool for shell scripts

Collection of handy online tools for developers, with great UX.

API Documentation Browser

Installable GitHub library of 1,400+ agentic skills for Claude Code, Cursor, Codex CLI, Gemini CLI, Antigravity, and more. Includes installer CLI, bundles, workflows, and official/community skill collections.

💥 Blazing fast terminal file manager written in Rust, based on async I/O.

Lightning-fast and Powerful Code Editor written in Rust

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, and Gemini CLI

A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.

The first real AI developer

Self-hosted AI coding assistant

⏩ Source-controlled AI checks, enforceable in CI. Powered by the open-source Continue CLI

A scalable, distributed, collaborative, document-graph database, for the realtime web

A Swiss Army knife for developers.

Automated auditing, performance metrics, and best practices for the web.

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Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

Installable GitHub library of 1,900+ agentic skills for Claude Code, Cursor, Codex CLI, Autohand Code, Gemini CLI, Antigravity, and more. Includes specialized plugins, installer CLI, bundles, workflows, and official/community skill collections.