developer-tools

Reverse engineer anything with agents, from app behavior down to native binaries.

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

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

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

JavaScript API for Chrome and Firefox

🙌 OpenHands: AI-Driven Development

Turn any idea, plan, or codebase into a beautiful interactive diagram. An agent skill for Claude Code, Codex, and more.

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

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

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

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 skill to stop your coding agent from burying the answer. ADHD-friendly output.

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.

AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,600+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.

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

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 162 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

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

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

the runtime your coding agents live on

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

Build, run, and manage agent platforms.

Open-source Rust agent engine and terminal client for Codewhale, with provider choice, tools, approvals and receipts.

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

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

ShellCheck, a static analysis tool for shell scripts

API Documentation Browser

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.

Clone any website with one command using AI coding agents

open-source coding agent

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

A reliable coding agent for complex software engineering tasks.

Self-hosted AI coding assistant

The first real AI developer

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.

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

🕸️ Web apps in pure Python 🐍

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

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An open-source AI coding agent that lives in your terminal.

380 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 380+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8 more coding agents — engineering, marketing, product, compliance, C-level advisory, research, business operations, commercial & finance, and your daily productivity skills.

在 dsh 里装上这个插件即可，无需登录、注册或填 API Key，就能使用包括 DeepSeek V4.1 Flash、Kimi K3 在内的前沿模型——完全免费，不限量。 All you do is install this plugin in dsh: no login, no sign-up, no API key — the frontier models are just there, DeepSeek V4.1 Flash and Kimi K3 among them. Completely free, with no usage cap.

D2 is a modern diagram scripting language that turns text to diagrams.

A modified web browser that helps in responsive web development. A web developer's must have dev-tool.

The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

An open-source, AI-integrated, cross-platform terminal for seamless workflows

n³ The unorthodox terminal file manager

数字生命卡兹克开源的 AI Skills 合集 | Agent Skills: leader（帮你定义目标）, neat-freak 洁癖, hv-analysis, khazix-writer & more — Claude Code, Codex & 40+ agents

Orchestrate multiple coding agents from desktop and mobile

Console for mobile browsers

SWE-agent takes a GitHub issue and tries to automatically fix it, using your LM of choice. It can also be employed for offensive cybersecurity or competitive coding challenges. [NeurIPS 2024]

daily.dev is the personalized developer news feed and community. Get the best tech content from all over the web in your browser new tab or on mobile. Free and open source.

Turns Data and AI algorithms into production-ready web applications in no time.

Effortlessly compose, extend, and observe every service in real-time for the first time ever.

Visualize any GitHub codebase: free interactive architecture diagrams and one-minute explainer videos. Replace 'hub' with 'diagram' in any GitHub URL.

Vibe Coding 非严肃开发的从入门到精通的工具箱

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

A typeface designed for source code

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

A curated list of free public APIs — searchable, community-maintained, with a free JSON API.

🦉 Data Versioning and ML Experiments

Easy and Repeatable Kubernetes Development

Open source AI coding agent. Designed for large projects and real world tasks.

Build Container Images In Kubernetes

Superset is an agentic IDE to orchestrate 100+ coding agents in parallel. Run any agent with your own subscription.

Connect your users to their apps

Codespaces but open-source, client-only and unopinionated: Works with any IDE and lets you use any cloud, kubernetes or just localhost docker.

Graph-Native Infrastructure for Context and Accountable AI Systems

Open-source (Apache-2.0) orchestrator for Claude Code, Codex & 30+ coding agents. Plan, run and supervise agent teams from task to merged PR. Desktop (macOS, Windows, Linux) + iPhone & Android apps.

🚀 Beautiful highly customizable statusline for Claude Code CLI with powerline support, themes, and more.

Stackryze Domains: Free Domain for Everyone, Claim yours today.

Offline documentation browser. Your personal reference library, searchable in an instant.

The modern API client that lives in your terminal.

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.

Generate production-quality SVG+PNG technical diagrams from natural language. 7 styles, UML support, and AI/Agent workflow patterns.

Continuous Profiling Platform. Debug performance issues down to a single line of code

Free, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburn

Refine high-quality datasets and visual AI models

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

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 team.

A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).

Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your codebase.

Self-hosted collection of powerful web-based tools for everyday tasks. No ads, no tracking, just fast, accessible utilities right from your browser!

45+ tips for getting the most out of Claude Code, from basics to advanced - includes a custom status line script and Claude Code running itself in a container. Also includes the dx plugin: skills for everyday dev workflows.