open-source

A collective list of free APIs

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

The agent engineering platform.

A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official website: ccswitch.io

FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models

Godot Engine – Multi-platform 2D and 3D game engine

Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key.

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

For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

Open-source AI job search agent and job finder: scan job boards, score each job 1-5 against your CV before you apply, tailor an ATS-friendly resume and cover letter, get interview prep and a job application tracker. It helps you fill in each application; you press Submit. Runs locally in your AI coding CLI (Claude Code, Codex, OpenCode and more).

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

Easy to maintain open source documentation websites.

A timeline for your thoughts. Just type. It stays yours.

The open alternative to Salesforce, designed for AI.

🚀✨ Help beginners to contribute to open source projects

🚀 Awesome list of open source applications for macOS. https://t.me/s/opensourcemacosapps

Scheduling infrastructure for absolutely everyone.

A refreshingly simple data-driven game engine built in Rust

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.

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

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.

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

Build resilient agents.

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

Create stunning demos for free. Open-source, no subscriptions, no watermarks, and free for commercial use. An alternative to Screen Studio.

AirLLM 2.8T LLM inference with single 4GB GPU

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.

🕵️‍♂️ Collect a dossier on a person by username from 6K websites

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

Network-wide ads & trackers blocking DNS server

Secure and fast microVMs for serverless computing.

📨 The ultimate agentic social media scheduling tool 🤖

☁️ Nextcloud server, a safe home for all your data

open-source coding agent

🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

Create polished demo videos without editing skills. Mac/Windows/Linux

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

Fully autonomous AI Agents system capable of performing complex penetration testing tasks

The next open source file uploader for web browsers :dog:

Unrestricted Open-source alternative to AI video platforms — Free AI image & video generation studio with 600+ models (Flux, Midjourney, Kling, Sora, Veo). No content filters. Self-hosted, MIT licensed.

Find secrets with Gitleaks 🔑

Infisical is the open-source platform for securing secrets, certificates, access, and AI Agents.

Wiki.js | Next Generation Open Source Wiki

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

🕸️ Web apps in pure Python 🐍

No description provided.

Blazing fast Neovim framework providing solid defaults and a beautiful UI, enhancing your neovim experience.

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

AI agents, automations and apps that run your operations. Model agnostic.

Open Source eCommerce & Multi-Vendor Marketplace Platform Built with Laravel for Enterprise-Scale Commerce, Supporting 10M+ SKUs

Free and open-source macOS menu bar toolkit.

🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

An open-source RAG-based tool for chatting with your documents.

🐧 A list of awesome Linux softwares

The modern link attribution platform. Loved by world-class marketing teams like Framer, Perplexity, Superhuman, Twilio, Buffer and more.

Open source Loom alternative. Beautiful, shareable screen recordings.

Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automation, Home Assistant, and Networking.

📝 CodeEdit App for macOS – Elevate your code editing experience. Open source, free forever.

Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.

For empowering community 🌱

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026

Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.

🚀 An open and lightweight modification to Windows, designed to optimize performance, privacy and usability.

:books: The definitive guide to TypeScript and possibly the best TypeScript book :book:. Free and Open Source 🌹

Command & Conquer: Remastered Collection

A curated list of awesome things related to shadcn/ui.

The open-source AI Operating System

VLC media player - plays everything, runs anywhere. Code here: https://code.videolan.org/videolan/vlc

Awesome list of open-source startup alternatives to well-known SaaS products 🚀

An open-source screen recorder built with web technology

Universal SEO skill for Claude Code. 26 sub-skills + 19 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, agent readiness (Lighthouse Agentic Browsing, WebMCP, llms.txt), backlinks, local SEO, e-commerce, international SEO, Google APIs, and PDF/Excel reporting. 9 optional extensions for live SEO data.

The batteries-included full-stack framework for the AI era. Develop JS/TS web apps (React, Node.js, and Prisma) using declarative code that abstracts away complex full-stack features like auth, background jobs, RPC, email sending, end-to-end type safety, single-command deployment, and more.

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

短剧、漫剧制作工具 Toonflow：开源 AI 视频创作平台，集成剧本创作、智能分镜、角色与场景资产管理、图像生成和视频生成。融合无限画布、AI Agent 与可视化工作流，支持本地部署、自选模型、跨平台客户端、MCP 与插件扩展。Open-source AI short drama and motion comic creation tool with an infinite canvas, AI agents, storyboarding, image and video generation. Self-hosted and extensible, with a canvas-based approach similar to LibTV and TapNow.

Open Source DeepWiki: AI-Powered Wiki Generator for GitHub/Gitlab/Bitbucket Repositories. Join the discord: https://discord.gg/gMwThUMeme

Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

Open-source Agent Operating System

AI coworker with memory and collaboration

swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.

A Collection of application ideas that can be used to improve your coding skills ❤.

This repository is outdated and new Boost Note app is available! We've launched a new Boost Note app which supports real-time collaborative writing. https://github.com/BoostIO/BoostNote-App

Mirror of https://gitlab.redox-os.org/redox-os/redox

An agent skill for creating detailed, interactive isometric illustrations of real-world machines and complex systems. Generates polished SVGs with optional WebGL shaders and 3D effects.

A list of open source games.

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

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.

Open Source Platform for DTC, B2B Commerce, Marketplaces & Omnichannel. REST APIs, TypeScript SDKs, and production-ready Next.js storefront. Self-host it. Own your data. No vendor lock-in. Zero platform fees.

📚 Community guides for open source creators

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

The Open Source DocuSign Alternative.

📻Free and open-sourced terminal/ssh/sftp/ftp/telnet/serialport/RDP/VNC/Spice client(Linux, Mac, Windows, Android, HarmonyOS, iOS)

A handy collection of more than 500 native Swift extensions to boost your productivity.

基于 Playwright 和AI实现的闲鱼多任务实时/定时监控与智能分析系统，配备了功能完善的后台管理UI。帮助用户从闲鱼海量商品中，找到心仪产品。

A self-hosted travel/trip planner with real-time collaboration, interactive maps, PWA support, SSO, budgets, packing lists, and more.

A fully open source & end-to-end encrypted note taking alternative to Evernote.

One framework for creating powerful cross-platform games.

WTF Solidity 极简入门教程，供小白们使用。Now supports English! 官网: https://wtf.academy