A collective list of free APIs
Repository Index
47,133 repositories indexed
1–24 of 73 · Most stars
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
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.
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 agent for the terminal written in Rust. Use any provider or model. Issues & PRs always welcome
open-source coding agent
Find secrets with Gitleaks 🔑
Infisical is the open-source platform for securing secrets, certificates, access, and AI Agents.
🕸️ Web apps in pure Python 🐍
🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
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.
A curated list of free public APIs — searchable, community-maintained, with a free JSON API.
One framework for creating powerful cross-platform games.
A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.
Codebase intelligence for AI and humans: code health scores, auto-generated docs, git analytics, dead code detection, and architectural decisions via MCP.
Space exploration, trading, and combat game.
Open device management
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
The Developer Platform for Modern APIs
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU