Best API Gateways & Backends GitHub Repositories

A collaborative list of public APIs for developers

🤖 AI Gateway | AI Native API Gateway

Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence for 371 languages. Fifteen bindings, with CLI, REST API, and MCP server.

🚂 🦀 The one-person framework for Rust for side-projects and startups

Vite plugin that reimplements the Next.js API surface — deploy anywhere

The Apify MCP server enables your AI agents to extract data from social media, search engines, maps, e-commerce sites, or any other website using thousands of ready-made scrapers, crawlers, and automation tools available on the Apify Store.

Self-hosted multi-protocol AI API proxy for Antigravity, Codex, Grok, Kiro, OpenAI, Claude, and custom providers. Supports OpenAI-compatible API, Claude API, Gemini protocol conversion, GPT, Grok Build, Claude Opus, Gemini Pro, Kimi, MiniMax, provider pools, smart routing, and automatic failover.

Headless open-source eCommerce platform on top of PHP/Symfony/API Platform

📥 A Telegram toolkit written in Golang

🪓 An orchestration engine for background tasks, AI agents, and durable workflows

Open source GPS tracking platform - self-hosted or managed, 200+ device protocols

List of 128 languages for Laravel Framework, Laravel Jetstream, Laravel Fortify, Laravel Breeze, Laravel Cashier, Laravel Nova and Laravel UI.

🔥 Official Firecrawl MCP Server - Adds powerful web scraping and search to Cursor, Claude and any other LLM clients.

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

A tool for mocking HTTP services

AI suite powered by state-of-the-art models and providing advanced AI/AGI functions. Includes AI personas, AGI functions, world-class Beam multi-model chats, text-to-image, voice, response streaming, code highlighting and execution, PDF import, presets for developers, much more. Deploy on-prem or in the cloud.

A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.

SQLDelight - Generates typesafe Kotlin APIs from SQL

Production Grade Cloud-Ready .NET 10 Starter Kit (Web API + React Client) with Multitenancy Support, and Clean/Modular Architecture that saves roughly 200+ Development Hours! All Batteries Included.

oneAPI Threading Building Blocks (oneTBB)