Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
openapi-typescript
Generate type-safe TypeScript types directly from your OpenAPI 3.0 and 3.1 schemas.
openapi-types
Type-safe TypeScript definitions for OpenAPI 2.0, 3.0, and 3.1 specification documents, covering paths, schemas, and components.
Scalar API Reference
Interactive, embeddable API reference documentation generated from your OpenAPI or Swagger specs.
grpc-gateway
A protoc plugin that generates a reverse-proxy server, turning RESTful HTTP/JSON requests into gRPC calls from the same service definitions.
openapi-ts
OpenAPI-to-TypeScript code generator producing production-grade SDKs, Zod schemas, and TanStack Query hooks.
kin-openapi
A Go library for parsing, validating, converting, and working with OpenAPI 2.0, 3.0, 3.1, and 3.2 documents.
@apidevtools/swagger-parser
Parses, validates, and dereferences Swagger 2.0 and OpenAPI 3.x specs in Node.js and browsers
drf-spectacular
Sane, flexible OpenAPI 3.0/3.1/3.2 schema generation for Django REST Framework
swagger-ui-react
A React component that turns OpenAPI/Swagger specs into interactive, browsable API documentation.
zod-openapi
Generate OpenAPI 3.x documentation directly from your existing Zod schemas.
swag
Generates Swagger 2.0 API documentation directly from declarative comments above your Go handler functions.
@fastify/swagger
Generates and serves OpenAPI/Swagger documentation directly from your Fastify route schemas
utoipa
Compile-time generated OpenAPI documentation for Rust APIs
Docusaurus OpenAPI Docs
Docusaurus plugin that generates polished API reference docs directly from an OpenAPI spec
oRPC Client
Type-safe client for consuming oRPC and OpenAPI APIs over HTTP, WebSocket, or message ports.
openapi3-ts
Typed TypeScript models and a fluent builder DSL for authoring OpenAPI 3.0, 3.1, and 3.2 contracts.
@fastify/swagger-ui
Serves an interactive Swagger UI inside a Fastify app, rendered directly from the OpenAPI spec that @fastify/swagger already generates.
referencing
Implementation-agnostic JSON reference resolution for JSON Schema, OpenAPI, and beyond
Standard Webhooks (Python)
Python reference implementation for verifying Standard Webhooks HMAC-signed webhook payloads
Scramble
Modern Laravel OpenAPI (Swagger) documentation generator with no PHPDoc annotations required
libopenapi
A high-performance Go library for parsing, validating, mutating, bundling, and diffing OpenAPI 3.2/3.1/3.0, Swagger, Overlay, and Arazzo documents.
redocusaurus
Adds OpenAPI documentation to a Docusaurus site by rendering Redoc-powered API reference pages alongside your existing docs.
openapi-types.ts
Generated TypeScript definitions built continuously from GitHub's official OpenAPI specification.