1.public-apis / public-apis
A collective list of free APIs
Ranked by Attention Score: stars gained over the last 7 complete days
1–100 of 1,388 by Attention Score · Oct 28, 2026 – Nov 3, 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.
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
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
High performance self-hosted photo and video management solution.
Flutter makes it easy and fast to build beautiful apps for mobile and beyond
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.
Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.
Fully autonomous AI Agents system capable of performing complex penetration testing tasks
Supporting multi-protocol multi-user(Vmess, Vless, Trojan, ShadowSocks, Wireguard, Hysteria, Tunnel, Mixed, HTTP, Tun, MTProto، AmneziaWG)
The open alternative to Salesforce, designed for AI.
A community-supported supercharged document management system: scan, index and archive all your documents
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
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.
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
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!
Ship a money-making AI site for every new keyword. Cloudflare-native starter with auth, credits, payments and AI generation. | 新词站群框架:一个新词一个站,一个下午上线。起量的继续迭代,没起来的放着不管。不变的共享,变的独立。
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
A modern animation library for React and JavaScript
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
A fancy self-hosted monitoring tool
Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Next Generation Agentic Proxy for AI Agents and MCP servers
The Patterns of Scalable, Reliable, and Performant Large-Scale Systems
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
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.
Mastra is the modern TypeScript framework for AI-powered applications and agents.
Free, Open Source, Self-Hosted WhatsApp API Gateway
The web framework for content-driven websites.
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
Open source DocuSign alternative. Create, fill, and sign digital documents ✍️
SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.
Learn System Design concepts and prepare for interviews using free resources.
🇨🇭 A React renderer for Three.js
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
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.
:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS
LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.
Send push notifications to your phone or desktop using PUT/POST
💾 Self-hosted online file converter. Supports 1000+ formats ⚙️
Open Source Alternative to Vercel, Netlify and Heroku.
A fast, modern download manager for HTTP, BitTorrent, Magnet, and ed2k. Cross-platform, built with Golang and Flutter.
A source-available invoice, quote, project and time-tracking app built with Laravel
🌟 For when you really just want to serve some files over HTTP right now!
Stealth headless browser for AI agents — bypass Cloudflare, bot detection, and anti-scraping. Drop-in Puppeteer/Playwright replacement.
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
End-to-end DevOps TaskFlow API — FastAPI, PostgreSQL, SQLAlchemy, Alembic, Docker Compose, Pytest and GitHub Actions CI,Kubernetes,prometheus,Grafana,helm,k9s,kompose,minikube,helmify
Development at the speed of light
FastAPI framework, high performance, easy to learn, fast to code, ready for production
Vim-fork focused on extensibility and usability
:octocat: A curated awesome list of lists of interview questions. Feel free to contribute! :mortar_board:
Learn how to design systems at scale and prepare for system design interviews
🔥 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 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.
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.
Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.
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
The world's most flexible commerce platform for agents and developers
Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
Beautiful Open-Source Form Builder
A unified trading API with more than 100 crypto exchanges and prediction markets in JavaScript / TypeScript / Python / C# / PHP / Go / Java / Rust
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.
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
Connect your agents & product to 1,000 APIs.
📦 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.
Xray、Tuic、hysteria2、sing-box 八合一一键脚本
The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more
Web framework built on Web Standards
A curated list of software and architecture related design patterns.
Import data files from TypeScript, fully typed. Powered by TypeScript 7.1 content mappers.
Turn any website into a structured API. Extract, automate, search and monitor the web.
小红书(XiaoHongShu、RedNote)链接提取/作品采集工具
Infrastructure orchestration from local to your cloud
Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.
🚀 A self-hostable personal dashboard built for you. Includes status-checking, widgets, themes, icon packs, a UI editor and tons more!
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
【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。
🚀 Fast and simple Node.js version manager, built in Rust
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.
The task manager you actually own.
Node.js JavaScript runtime ✨🐢🚀✨
⚡ Project management that doesn't become the project. Boards, Gantt charts, and GitHub integration. Self-host it or use Kaneo Cloud.
Open-source template for "one photo → AI video that follows a viral template" SaaS sites, one site per trending keyword. Cloudflare Workers + D1/R2/KV/Queues, TanStack Start + Hono, Google sign-in, credit packs (Waffo/Dodo), fal.ai video generation, admin console.
Proxy server to bypass Cloudflare protection
CF-workers/pages代理脚本:支持Vless-ws(tls)、Trojan-ws(tls);Socks5/http本地代理脚本:可选ECH-TLS、普通TLS、无TLS三种代理模式
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
Fault-injected tool environments with side-effect grading for evaluating and post-training LLM agents
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...
Fast, disk space efficient package manager
Data validation using Python type hints
Mobile Security Framework (MobSF) is an automated, all-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis and security assessment framework capable of performing static and dynamic analysis.
Apache Superset is a Data Visualization and Data Exploration Platform
Bitwarden infrastructure/backend (API, database, Docker, etc).
:zap: Delightful Node.js packages and resources [BECAUSE OF TOO MUCH SPAM AND LOW-QUALITY SUBMISSIONS, SUBMISSIONS ARE PAUSED TEMPORARILY]