Architecture diagrams and checkable docs from your codebase — ERD, C4, API and lifecycle — generated from Prisma, OpenAPI or GraphQL. One HTML file, no server.
API Documentation GitHub Repositories (2026) · Open Source Tools
Discover the best API Documentation open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
API Documentation Browser
Offline documentation browser. Your personal reference library, searchable in an instant.
Generates documentation for your REST API from attributes
🤖 Generator for GH repo to help you manage the OpenAPI definition lifecycle
An open‑source technical wiki connected to the systems it describes
Java annotation for documenting the @API status of types and members in Java APIs. Maintained by the JUnit team.
Open-source local viewer for software architecture. Use the UIGraph skill with your coding agent to generate service maps, API specs, dependency graphs, and diagrams.