A collective list of free APIs

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

The AsyncAPI specification allows you to create machine-readable definitions of your asynchronous APIs.

A minimalistic, simple-to-use API linter

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.

Pothos GraphQL is library for creating GraphQL schemas in typescript using a strongly typed code first approach

Self-Hosted API Management for Builders

A library for generating typed models based on inputs such as AsyncAPI, OpenAPI, and JSON Schema documents with high customization

Input OpenAPI. Output SDKs and Docs.

Full stack typesafe API-first development with OpenAPI.

A headless CMS framework using Hono + Drizzle + Zod + Vite

Language-agnostic HTTP API Testing Tool

Friendly and fast tool for sending HTTP requests

Web framework built on Web Standards