Best API Gateways & Backends GitHub Repositories

The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.

Modern UI and powerful API for Ansible, Terraform/OpenTofu/Terragrunt, PowerShell and other DevOps tools.

Cross-platform, sophisticated frontend for the libretro API. Licensed GPLv3.

Fast Rust bundler for JavaScript/TypeScript with Rollup-compatible API.

C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.

Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor

A deployment automation tool built on Ruby, Rake, and SSH.

Fast Rust-based bundler for the web with a modernized webpack API 🦀

The JavaScript and API powered WordPress.com

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

vCluster creates tenant clusters: fully isolated environments delivered as managed Kubernetes, or as the foundation for Slurm, Ray, Run:ai and inference clusters. Each gets its own API server, CRDs and RBAC, and runs on an existing cluster or standalone on bare metal. CNCF Certified Kubernetes.

Go library for accessing the GitHub v3 API

Official JavaScript / TypeScript library for the OpenAI API

Low code web framework for real world applications, in Python and Javascript

PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.

Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).

High-performance browser automation bridge and multi-instance orchestrator with advanced stealth injection and real-time dashboard.

The no-magic web API and microservices framework for Python developers, with a focus on reliability and performance at scale.

cuDF - GPU DataFrame Library

A collaborative list of public APIs for developers