kollalabs/protoc-gen-openapi

Plugin for generating OpenAPIv3 from protobufs matching the Connect RPC interface

A compiler for APIs described by the OpenAPI Specification with plugins for code generation and other API support tasks.

protodoc generates Protocol Buffer documentation.

Input OpenAPI. Output SDKs and Docs.

Kubernetes OpenAPI spec generation & serving

Generate OpenAPI 3.0/3.1/3.2 specs from your route handlers — Next.js, TanStack Router, React Router, Remix, SvelteKit, Nuxt, Astro, Hono, Express. Zod, TypeScript types, drizzle-zod and reusable fragments. JSDoc-driven, zero runtime overhead.

⚡A lightweight, framework-agnostic OpenAPI 3.x specification builder for Go.

Generate OpenAPI 3.1 (Swagger) specs from Go source code — no annotations. Static analysis and call-graph tracing infer routes, params, request/response schemas for Gin, Echo, Chi, Fiber, Gorilla Mux and net/http. Deterministic YAML/JSON output for CI, plus a web UI and call-graph diagram.

🍃 bazel rules for generating code from openapi specifications