#api

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

The Block Editor project for WordPress and beyond. Plugin is available from the official repository.

Promise based HTTP client for the browser and node.js

Fast and low overhead web framework, for Node.js

Light, flexible and extensible ASGI framework | Built to scale

Netlify Command Line Interface

The Open Source Firebase Alternative with GraphQL.

OpenTelemetry JavaScript Client

Python framework for creating, editing, and running Noisy Intermediate-Scale Quantum (NISQ) circuits.

PHP library for the Stripe API.

Python library for the Stripe API.

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

Adyen API Library for Java

Adyen API Library for Node.js

The Janssen Project is a home for open source IAM components, featuring Auth Server (OAuth/OpenID), Agama low-code identity orchestration, and the Cedarling policy decision point. The "Janssen Server" distributions bundle IAM components under one control plane.

Client for IBM Quantum Compute (formerly known as Qiskit Runtime)

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

The server component of API Platform: hypermedia and GraphQL APIs in minutes

Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.

Swagger 2.0 implementation for go

Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.

The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

NGINX Agent provides an administrative entry point to remotely manage, configure and collect metrics and events from NGINX instances

The OpenTelemetry C++ Client

Polar — A billing platform for the intelligence era

We have made you a wrapper you can't refuse

A framework to build Slack apps using JavaScript

Slack Developer Kit for Node.js

A GraphQL library for Python that leverages type annotations 🍓