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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.

Beautiful static documentation for your API

Free ChatGPT&DeepSeek API Key，免费ChatGPT&DeepSeek API。免费接入DeepSeek API和GPT4 API，支持 gpt | deepseek | claude | gemini | grok 等排名靠前的常用大模型。

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

FastAPI framework, high performance, easy to learn, fast to code, ready for production

Vim-fork focused on extensibility and usability

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

A collective list of free APIs