Best API Gateways & Backends GitHub Repositories

An API to interact with the popular messaging app Discord

Stylish Graph APIs, built on JSON:API

GitHub Copilot, OpenAI Codex, OpenCode Go, and third-party AI provider gateway with OpenAI and Anthropic API compatibility.

Ruby gem for web scraping purposes. It scrapes a given URL, and returns you its title, meta description, meta keywords, links, images...

Run open decision models locally: pull and serve Laya, decider, NLI and GLiClass behind a TypeSafe-compatible API. Ollama for decision models.

cuTile Rust provides a safe, tile-based kernel programming DSL for the Rust programming language. It features a safe host-side API for passing tensors to asynchronously executed kernel functions.

Simple RESTful API for WhatsApp in Golang (using the Whatsmeow multi device library)

Build AI agents with Go. Multiple providers, multiple models, one API. 🧙

🚀 A real-time monitoring dashboard for Claude Code & Codex, built with SQLite3, Node.js, Express, React, Vite, TailwindCSS, & WebSockets. It tracks sessions, agent activity, tool usage, and subagent orchestration, providing live analytics, a Kanban status board, status notifications, a cute buddy, & an interactive web UI/MacOS/Windows native app.

Any file → clean Markdown for AI agents: PDF, Word, PowerPoint, Excel, EPUB, HTML and web pages, images (OCR), audio and video (metadata, subtitles, transcripts). A fast Rust MCP server and CLI that runs on your machine. No API key.

Java library for the Stripe API.

U++ is a C++ cross-platform rapid application development framework focused on programmer's productivity. It includes a set of libraries (GUI, SQL, Network etc.), and integrated development environment (TheIDE).

A Laravel package which provides a list of the countries, states, cities, currencies, timezones, languages and IP Geolocation.

Open Source standalone trashmail solution that ships its own mail server

Rack::Test is a small, simple testing API for Rack apps.

Automatic TV episode file renamer, uses data from thetvdb.com via tvdb_api

An API-compatible, drop-in replacement for Apple's Foundation Models framework with support for custom language model providers.

API and library for MAVLink compatible systems written in C++

Apache Log4net is a versatile, feature-rich, efficient logging API and backend for .NET

A terraform provider to manage objects in a RESTful API