01
A community-curated directory of free public APIs and MCP servers organized by category for discovery.public-apis
2026-08-15
2016-03-20
489.5k stars
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02
A curated study guide for large-scale system design and interviews with topics, solutions and real architectures.donnemartin
2026-08-03
2017-02-26
374.5k stars
03
A complete software development methodology packaged as composable skills that supercharge your coding agents.obra
2026-06-26
2025-10-09
300.6k stars
04
A collection of engineering-focused Agent Skills that mount via slash commands to guide planning, TDD, debugging, and architecture.mattpocock
2026-06-26
2026-02-03
294k stars
05
A curated collection of project-based programming tutorials across many languages for learning by building real applications.practical-tutorials
2026-08-11
2017-04-12
286.9k stars
06
The Linux kernel source tree, providing core OS services like scheduling, memory, filesystems, drivers, and hardware support.torvalds
2026-08-22
2011-09-04
252.1k stars
07
DeepSeek's plugin-based agent harness for building and running agents via Cordis plugins with a local web UI in developer preview for extensible workflows.deepseek-ai
2026-08-13
2026-08-13
251.1k stars
08
A single-file set of coding guidelines that teaches AI coders to think first and keep changes minimal.multica-ai
2026-06-26
2026-01-27
220.3k stars
09
A community project offering free domain registration plus hands-on guides from DNS setup to deployment.DigitalPlatDev
2026-06-26
2024-05-30
204.5k stars
10
A feature-rich command-line downloader for grabbing audio and video from thousands of websites.yt-dlp
2026-06-24
2020-10-26
198.4k stars
11
A Rust-built terminal coding agent that reads codebases, edits files, and runs tasks autonomously.ultraworkers
2026-06-26
2026-03-31
194.9k stars
12
An open-source script collection for activating Windows and Office with multiple methods and troubleshooting tools.massgravel
2026-08-26
2020-01-12
194.7k stars
13
A developer API service that gives AI agents real-time web search, scraping, and crawling with LLM-ready structured output.firecrawl
2026-06-26
2024-04-15
192.2k stars
14
A lightweight Python utility that converts PDFs and Office docs to clean Markdown for LLMs.microsoft
2026-06-26
2024-11-13
190.6k stars
15
A delightful community-driven framework for managing Zsh with hundreds of plugins, themes, and easy updates.ohmyzsh
2026-08-26
2009-08-28
190k stars
16
An open-source platform for building, deploying, and running AI agents that finish real work for you.Significant-Gravitas
2026-06-26
2023-03-16
187.6k stars
17
skillsagent-skills
Anthropic's official collection of Agent Skills with SKILL.md instructions that plug into Claude for specialized document and workflow tasks.anthropics
2026-06-26
2025-09-22
181.6k stars
18
GitHub's curated collection of .gitignore templates for popular languages and tools, ready to drop into any repo.github
2026-08-26
2010-11-08
176k stars
19
The world's largest open-source prompt library with ready-to-use prompts for ChatGPT, Claude, and more.f
2026-06-24
2022-12-05
173.2k stars
20
A coding skill that teaches AI agents minimalist, YAGNI-style implementation with review and audit commands.DietrichGebert
2026-06-26
2026-06-12
165.2k stars
21
A curated roster of 200+ specialized AI agent personas across engineering, design, and marketing for everyday workflows.msitarzewski
2026-06-26
2025-10-13
160.6k stars
22
A self-hosted, extensible AI platform unifying multi-model chat, RAG, image generation, tools, and team management.open-webui
2026-06-26
2023-10-06
155.9k stars
23
A visual low-code platform for building, testing, and deploying AI agents and workflows as APIs and MCP servers.langflow-ai
2026-06-26
2023-02-08
155.8k stars
24
A Tauri-based Clash proxy GUI client for Windows, macOS, and Linux with rule editing and TUN support.clash-verge-rev
2026-08-26
2023-11-21
151.9k stars
25
A cross-platform desktop manager for coding agents that switches API providers and centralizes MCP, skills, and prompts.farion1231
2026-06-26
2025-08-04
145.2k stars
26
A curated collection of leaked system prompts and model details from popular AI tools for reference and security research.x1xhlol
2026-06-26
2025-03-05
144.1k stars
27
A full-stack React framework for building web apps with server rendering, routing, and fast Rust-based build tooling.vercel
2026-08-05
2016-10-05
143k stars
28
A spec-driven toolkit that gives coding agents structured skills for specifying, planning, building, and verifying features.github
2026-06-26
2025-08-21
141.6k stars
29
Collection of Windows productivity and customization utilities, including paste, window management, color picking, screen zoning, and quick launching tools for power users.microsoft
2026-10-02
2019-05-01
139.4k stars
30
A powerful node-based AI creation engine for generating images, video, 3D, and audio with full control.comfyanonymous
2026-08-26
2023-01-17
137.9k stars
31
A collection of Claude Code skills that turns the coding agent into a virtual team for planning, review, QA, and shipping.garrytan
2026-06-26
2026-03-11
136.7k stars
32
An AI skill that gives coding assistants design intelligence to generate design systems, styles and production-ready UI code.nextlevelbuilder
2026-06-26
2025-11-30
136.6k stars
33
An open-source collaborative virtual whiteboard for sketching hand-drawn style diagrams and wireframes.excalidraw
2026-08-26
2020-01-02
134k stars
34
A library of bite-size coding articles and snippets to help developers level up across JavaScript, CSS, and more.Chalarangelo
2026-08-26
2017-11-29
129.2k stars
35
A coding-assistant skill that maps any codebase into a queryable knowledge graph.safishamsi
2026-06-26
2026-04-03
127.3k stars
36
A codebase knowledge-graph skill for coding assistants with local AST parsing, visual graphs, and queryable code context.Graphify-Labs
2026-07-09
2026-04-03
127.2k stars
37
An open-source remote desktop app for self-hosting, offering out-of-the-box remote control, file transfer, and tunneling.rustdesk
2026-08-14
2020-09-28
126k stars
38
Open-source, cross-platform JavaScript runtime for servers and tooling, providing a unified execution foundation used by backend developers and JavaScript build ecosystems worldwide.nodejs
2026-10-02
2014-11-26
122.4k stars
39
A curated collection of 84 DESIGN.md design systems from real websites for generating consistent UI with coding agents.voltagent
2026-07-09
2026-03-31
121.8k stars
40
The main source for the Rust programming language, including the compiler, standard library, and documentation for reliable systems software.rust-lang
2026-08-23
2010-06-16
120.4k stars
41
A curated index of free Chinese programming books, organized by language and topic for self-study and reference.justjavac
2026-08-26
2013-11-04
119.2k stars
42
A desktop GUI proxy client supporting Xray and sing-box cores across Windows, Linux, and macOS.2dust
2026-08-26
2019-07-30
118.4k stars
43
An open-source library that lets AI agents control browsers to navigate sites, fill forms, solve CAPTCHAs and complete web tasks.browser-use
2026-06-26
2024-10-31
118.2k stars
44
A high-performance self-hosted photo and video manager with auto-backup, sharing, facial recognition and smart search.immich-app
2026-06-26
2022-02-03
116.4k stars
45
A curated awesome-list of macOS software organized by category for discovering editors, dev tools, design and media apps.jaywcjlove
2026-08-11
2016-07-17
116.3k stars
46
A minimal extensible coding agent CLI with unified LLM access that reads code, edits files and runs tasks.earendil-works
2026-06-26
2025-08-09
115.7k stars
47
A mountable skill for coding agents that cuts token spend with terse output and shrunken inputs.JuliusBrussee
2026-06-26
2026-04-04
113.1k stars
48
An open-source Postgres backend platform offering database, auth, storage, realtime APIs and vector support for building apps.supabase
2026-06-26
2019-10-12
111.7k stars
49
A multi-agent LLM trading system that mirrors a real firm with analysts, researchers, traders and risk managers.TauricResearch
2026-06-26
2024-12-28
111.5k stars
50
A typed superset of JavaScript for large-scale apps that compiles to clean JavaScript with rich tooling and type checking.microsoft
2026-08-22
2014-06-17
111.5k stars
51
OpenAI's open general-purpose speech recognition model, shipped as a Python library and CLI supporting multilingual transcription, translation, and language detection.openai
2026-08-26
2022-09-16
110.7k stars
52
A secure, modern runtime for JavaScript and TypeScript, built for productive server-side and app development.denoland
2026-08-04
2018-05-15
108.7k stars
53
Production-grade engineering skills for AI coding agents, mounted via slash commands across the dev lifecycle.addyosmani
2026-06-26
2026-02-15
107.4k stars
54
A long-running Chinese tech newsletter published every Friday, curating noteworthy articles, software, tools, and resources for tech enthusiasts and developers.ruanyf
2026-09-19
2018-10-13
106.3k stars
55
Source repository for the modern Windows Terminal and the original Windows console host, providing multi-tab, high-performance command-line experience with shared components.microsoft
2026-10-02
2017-08-11
105.2k stars
56
An open-source control plane for orchestrating teams of AI agents with tasks, org charts, budgets, governance, and execution.paperclipai
2026-08-10
2026-03-02
103.1k stars
57
A highly extensible Vim-fork text editor with a modern API, async jobs, embedded terminal, and broad language support for developers.neovim
2026-08-25
2014-01-31
103k stars
58
A persistent memory plugin for coding agents that captures session context and re-injects it later.thedotmack
2026-06-26
2025-08-31
101.2k stars
59
A modern web development platform for building scalable mobile and desktop apps with TypeScript.angular
2026-08-04
2014-09-18
101.1k stars
60
A WiFi-sensing platform using ESP32 nodes for presence, vitals, and spatial awareness.ruvnet
2026-06-24
2025-06-07
98.4k stars
61
A capability layer that gives AI agents zero-fee internet reach across social, video, search and docs via one CLI.panniantong
2026-06-26
2026-02-24
98.2k stars
62
An autonomous research setup that lets AI agents experiment overnight on single-GPU LLM training to find better models.karpathy
2026-06-26
2026-03-06
98.0k stars
63
A set of Agent Skills that gives coding agents art direction, real imagery, and browser-based visual review for premium frontends.Leonxlnx
2026-06-26
2026-02-19
98.0k stars
64
A utility-first CSS framework for rapidly building custom, responsive user interfaces with composable classes.tailwindlabs
2026-08-04
2017-10-06
97.9k stars
65
A real-time face-swap and video deepfake app that turns a single photo into live webcam and video performances.hacksider
2026-06-26
2023-09-24
97.1k stars
66
A curated awesome-list of MCP servers for developers to discover and reuse ready-made model context integrations.punkpeye
2026-08-30
2024-11-30
96.5k stars
67
A JavaScript library for automating headless Chrome and Firefox through the DevTools protocol.puppeteer
2026-08-26
2017-05-09
95.7k stars
68
A POSIX-compliant bash version manager for installing and switching between multiple Node.js versions.nvm-sh
2026-08-11
2010-04-15
95.6k stars
69
Free open-source cross-platform video editor for creators, offering watermark-free editing with an extensible plugin architecture as a community alternative to CapCut.OpenCut-app
2026-10-02
2025-06-22
95.0k stars
70
A free cross-platform AirDrop alternative that securely shares files and messages with nearby devices over the local network.localsend
2026-08-12
2022-12-16
94.6k stars
71
A desktop orchestrator that runs fleets of coding agents side by side in isolated worktrees.stablyai
2026-06-26
2026-03-17
94.4k stars
72
A self-hosted open-source PDF platform with 50-plus tools to merge, split, convert, OCR and automate PDFs privately.Stirling-Tools
2026-06-26
2023-01-27
94.3k stars
73
A command-line OSINT tool that hunts down social media accounts by username across hundreds of social networks.sherlock-project
2026-08-26
2018-12-24
94.3k stars
74
A self-hosted AI workspace combining chat, agents, deep research, documents, email, and local model workflows.odysseus-dev
2026-08-26
2026-05-31
93.7k stars
75
An open-source RAG engine that gives LLMs grounded retrieval over complex documents.infiniflow
2026-06-26
2023-12-12
92.3k stars
76
A local-first open-source home automation hub that integrates hundreds of devices and automations.home-assistant
2026-08-26
2013-09-17
91.6k stars
77
Official reference MCP servers that give LLMs secure, controlled access to tools and data like files, Git, memory, and web fetch.modelcontextprotocol
2026-08-26
2024-11-19
91.3k stars
78
A developer OCR and document-parsing toolkit that turns PDFs and images into LLM-ready structured data.PaddlePaddle
2026-06-26
2020-05-08
91.2k stars
79
The open-source computer vision library offering image processing and vision algorithms for apps and research.opencv
2026-06-26
2012-07-19
91.2k stars
80
A self-hosted control center that orchestrates multiple coding agents and automations.OpenHands
2026-06-26
2024-03-13
91.1k stars
81
A full-featured software reverse engineering suite with disassembly, decompilation, graphing, scripting, and multi-platform binary analysis.nationalsecurityagency
2026-08-28
2019-03-01
89.5k stars
82
A continuous peer-to-peer file synchronization program that securely syncs files between multiple computers.syncthing
2026-08-26
2013-11-26
89.5k stars
83
A lightweight cross-platform AI chat platform for GPT, Claude, Gemini, and 100+ models with plugins, MCP, and enterprise deployment.ChatGPTNextWeb
2026-08-26
2023-03-10
88.8k stars
84
A real-time global intelligence dashboard with AI news briefs, 3D maps, market radar, desktop apps, and hosted variants.koala73
2026-07-09
2026-01-08
88.6k stars
85
An adaptive Python web-scraping framework with stealth fetching, spiders, proxy rotation and scaling for developers.D4Vinci
2026-06-26
2024-10-13
88.1k stars
86
Claude Code plugin that analyzes codebases with a multi-agent pipeline and visualizes them as an interactive, searchable knowledge graph.Egonex-AI
2026-08-26
2026-03-15
86.6k stars
87
An open-source web crawler built for LLMs and agents that turns any website into clean, LLM-ready Markdown.unclecode
2026-06-26
2024-05-09
85.7k stars
88
A full open-source e-commerce suite with storefront, admin console, search, cart, orders and membership on Spring Boot and Vue.macrozheng
2026-08-26
2018-04-04
84.9k stars
89
An agent skill that turns ideas or repos into interactive architecture diagrams you can explore and share.tt-a1i
2026-07-09
2026-04-15
84.5k stars
90
An agent-agnostic hook layer that compresses shell output for coding agents to cut token usage and noise.rtk-ai
2026-06-26
2026-01-22
83.6k stars
91
A fast, portable command-line fuzzy finder that supercharges file search, history browsing, and shell workflows.junegunn
2026-08-26
2013-10-23
83.6k stars
92
An extensible AI chat and agent-team platform with multi-model support, knowledge, and plugins.lobehub
2026-06-26
2023-05-21
83.3k stars
93
A simple terminal UI for Git that makes staging, rebasing, cherry-picking, and resolving conflicts fast and visual.jesseduffield
2026-08-26
2018-05-19
83.2k stars
94
A curated collection of Chinese textbook PDFs spanning primary school to university for open learning access.tapxworld
2026-08-06
2020-01-05
82.9k stars
95
A free monospaced programming font with ligatures for common multi-character combinations that makes code faster and more comfortable to read.tonsky
2026-08-26
2014-11-11
82.1k stars
96
A design skill for AI coding agents with guided commands, live iteration, and deterministic checks for generated interfaces.pbakaus
2026-06-26
2025-11-16
82.0k stars
97
An AI-powered document parsing app that converts PDFs and Office files into clean LLM-ready Markdown and JSON.opendatalab
2026-06-26
2024-02-29
81.9k stars
98
A community-curated library of web security payloads, bypasses, and exploitation techniques for pentesters and bug bounty hunters.swisskyrepo
2026-08-26
2016-10-18
81.8k stars
99
A real-time infrastructure monitoring tool with per-second metrics, dashboards, and alerts.netdata
2026-06-26
2013-06-17
81.0k stars
100
An open-source API development ecosystem for sending requests and testing REST, GraphQL, and WebSocket APIs.hoppscotch
2026-08-26
2019-08-21
80.6k stars