Open-source api-documentation software

110 open-source libraries, tools and applications tagged api-documentation, ranked by how closely api-documentation is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

110 products, primary matches first, then adoption-weighted; health v2 shown.

Product	Health v2	Stars	Maturity
Spring Cloud Microservices Demo A demo/sample project showcasing Spring Boot and Spring Cloud microservices patterns including service discovery, API gateway, distributed …	75	1389	active
kimsungwhee/apple-docs-mcp An MCP server that exposes Apple Developer Documentation to AI assistants like Claude and Cursor. It provides search and retrieval of iOS/m…	38	1385	active
zino-rs/zino Zino is a spec-driven, opinionated framework for building composable web and desktop applications in Rust, with modular crates for ORM, aut…	84	1154	active
daveshanley/vacuum vacuum is an ultra-fast OpenAPI, AsyncAPI, and JSON Schema linter and quality-checking tool written in Go, fully compatible with Spectral r…	95	1135	active
BenLorantfy/nestjs-zod A TypeScript library providing NestJS integration for Zod schema validation. It lets you create DTOs from Zod schemas, validate request bod…	90	1122	active
graphql-hive/SOFA SOFA (sofa-api) is a Node.js library that automatically generates a fully RESTful API from an existing GraphQL schema, turning queries, mut…	75	1119	active
Faygo Faygo is a fast and concise Go web framework for building high-performance web applications, especially APIs, with minimal code. Defining a…	23	1590	maintenance
mpociot/whiteboard Whiteboard is a Node.js-based API documentation generator forked from Slate, letting you write docs in Markdown and render them as a beauti…	32	1223	maintenance
lerry903/RuoYi RuoYi is a Java-based admin and permission management system built on Spring Boot 2.1 with MyBatis and Apache Shiro, featuring user, role, …	23	1213	maintenance
appy rest-hapi is a hapi plugin that automatically generates RESTful CRUD and association API endpoints from mongoose schemas, with joi validati…	23	1180	maintenance