1.public-apis / public-apis
A collective list of free APIs
Ranked by Attention Score: stars gained over the last 90 complete days
1–100 of 2,670 by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
A collective list of free APIs
⌥ Coding agent with the IDE wired in. Built by Stencil Labs.
Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
Fully autonomous AI Agents system capable of performing complex penetration testing tasks
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
High performance self-hosted photo and video management solution.
The 30 Days of Python programming challenge is a step-by-step guide to learn the Python programming language in 30 days. This challenge may take more than 100 days. Follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.
🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.
The open alternative to Salesforce, designed for AI.
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
免费大模型API,支持免费调用GPT、DeepSeek等主流模型,免费额度10000点,每日刷新!另付费价格最低官方1-2折!
An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 360+ one-click services on your own servers.
Supporting multi-protocol multi-user(Vmess, Vless, Trojan, ShadowSocks, Wireguard, Hysteria, Tunnel, Mixed, HTTP, Tun, MTProto، AmneziaWG)
Zero-modification Human-in-the-Loop adapter for OpenOPC's agentic DAG runtime.
Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active
Node.js JavaScript runtime ✨🐢🚀✨
Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Free, Open Source, Self-Hosted WhatsApp API Gateway
FastAPI framework, high performance, easy to learn, fast to code, ready for production
Stealth headless browser for AI agents — bypass Cloudflare, bot detection, and anti-scraping. Drop-in Puppeteer/Playwright replacement.
The Web framework for perfectionists with deadlines.
A fancy self-hosted monitoring tool
A community-supported supercharged document management system: scan, index and archive all your documents
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
Flutter makes it easy and fast to build beautiful apps for mobile and beyond
The Python micro framework for building web applications.
Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
Open-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀
Learn System Design concepts and prepare for interviews using free resources.
Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation
The Patterns of Scalable, Reliable, and Performant Large-Scale Systems
Mastra is the modern TypeScript framework for AI-powered applications and agents.
⚡ Project management that doesn't become the project. Boards, Gantt charts, and GitHub integration. Self-host it or use Kaneo Cloud.
The web framework for content-driven websites.
Send push notifications to your phone or desktop using PUT/POST
Vim-fork focused on extensibility and usability
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.
抖音 / TikTok 平台作品下载/数据采集工具
🚀 自托管的抖音、TikTok、B 站数据采集与无水印视频下载 API,支持 AI agent 通过 MCP 调用与离线语音转文字,Docker 一键部署。| Self-hosted TikTok, Douyin & Bilibili scraper and no-watermark video downloader — async REST API, MCP server for AI agents, CLI and web console, plus offline speech-to-text for downloaded videos. Self-healing identity pool, PostgreSQL archive, one docker compose up.
Open Source Alternative to Vercel, Netlify and Heroku.
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.
A fast, modern download manager for HTTP, BitTorrent, Magnet, and ed2k. Cross-platform, built with Golang and Flutter.
🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool that makes it easy to keep up with the latest updates from the community.
🔥 官方推荐 🔥 RuoYi-Vue 全新 Pro 版本,优化重构所有功能。基于 Spring Boot + MyBatis Plus + Vue & Element 实现的后台管理系统 + 微信小程序,支持 RBAC 动态权限、数据权限、SaaS 多租户、Flowable 工作流、三方登录、支付、短信、商城、CRM、ERP、MES、IM、AI 大模型、IoT 物联网等功能。你的 ⭐️ Star ⭐️,是作者生发的动力!
🇨🇭 A React renderer for Three.js
A highly customizable homepage (or startpage / application dashboard) with Docker and service API integrations.
Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.
:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS
A modern animation library for React and JavaScript
Connect your agents & product to 1,000 APIs.
Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.
Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages
Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions.
Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
Learn how to design systems at scale and prepare for system design interviews
:octocat: A curated awesome list of lists of interview questions. Feel free to contribute! :mortar_board:
📦 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.
Next Generation Agentic Proxy for AI Agents and MCP servers
The world's most flexible commerce platform for agents and developers
The fastest and the most accurate file search SDK for AI agents, Neovim, Rust, C, Python, Bun and NodeJS
Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.
Apache Superset is a Data Visualization and Data Exploration Platform
短信转发器——监控Android手机短信、来电、APP通知,并根据指定规则转发到其他手机:钉钉群自定义机器人、钉钉企业内机器人、企业微信群机器人、飞书机器人、企业微信应用消息、邮箱、bark、webhook、Telegram机器人、Server酱、PushPlus、手机短信等。包括主动控制服务端与客户端,让你轻松远程发短信、查短信、查通话、查话簿、查电量等。(V3.0 新增)PS.这个APK主要是学习与自用,如有BUG请提ISSUE,同时欢迎大家提PR指正
Free and Open Source Machine Translation API. Self-hosted, offline capable and easy to setup.
Enhancement suite for Gemini, AI Studio, Claude, ChatGPT & DeepSeek — plus a prompt manager for any website, DeepSeek Harness included. / 面向 Gemini、AI Studio、Claude、ChatGPT 与 DeepSeek 的增强套件;其中的提示词管理器可用于任意网站,如 DeepSeek Harness。
Open Source realtime backend in 1 file
LLM API 管理 & 分发系统,支持 OpenAI、Azure、Anthropic Claude、Google Gemini、DeepSeek、字节豆包、ChatGLM、文心一言、讯飞星火、通义千问、360 智脑、腾讯混元等主流模型,统一 API 适配,可用于 key 管理与二次分发。单可执行文件,提供 Docker 镜像,一键部署,开箱即用。LLM API management & key redistribution system, unifying multiple providers under a single API. Single binary, Docker-ready, with an English UI.
Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.
The Cloud Native Application Proxy
Developer-first error tracking and performance monitoring
The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more
Web framework built on Web Standards
Curso para aprender el lenguaje de programación Python desde cero y para principiantes. 100 clases, 44 horas en vídeo, código, proyectos y grupo de chat. Fundamentos, frontend, backend, testing, IA...
A unified trading API with more than 100 crypto exchanges and prediction markets in JavaScript / TypeScript / Python / C# / PHP / Go / Java / Rust
Pear 🍐 is extension for music player
【低代码v2.0,一句话即可生成整个系统】企业级AI低代码平台,一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖:AI聊天、知识库、流程编排、MCP插件等,兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式,解决 Java 项目 90% 重复工作,提高效率又不失灵活。
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
A curated list of software and architecture related design patterns.
Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
Proxy server to bypass Cloudflare protection
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.
Turn any website into a structured API. Extract, automate, search and monitor the web.
Independent technology for modern publishing, memberships, subscriptions and newsletters.
A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.
Fast, disk space efficient package manager
Coding articles to level up your development skills
Learn ML engineering for free in 4 months! Register here 👇🏼
The Node.js version manager for Windows.
:zap: Delightful Node.js packages and resources [BECAUSE OF TOO MUCH SPAM AND LOW-QUALITY SUBMISSIONS, SUBMISSIONS ARE PAUSED TEMPORARILY]