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litestar-org/litestar

Lightweight and flexible ASGI framework for building scalable APIs in Python

8.1K
Active
Python
API Frameworks
Backend Frameworks
Python
#asgi#pydantic#openapi

openapi-ts/openapi-typescript

Generate TypeScript types from OpenAPI 3 specifications, enabling type-safe API development.

8.0K
Active
TypeScript
API Clients & Testing
API Documentation
TypeScript
#openapi#swagger#typescript

swagger-api/swagger-core

Generates the Swagger API Specification for easy access to REST APIs

7.5K
Active
Java
API Documentation
API Frameworks
React
#authentication#open-source#rest-api

RicoSuter/NSwag

An open-source Swagger/OpenAPI toolchain for .NET, ASP.NET Core, and TypeScript developers.

7.3K
Active
C#
API Clients & Testing
API Documentation
AspNetCore
#openapi#swagger#csharp

springfox/springfox

Springfox is an open-source Java library that automatically generates Swagger documentation for APIs built with Spring.

5.9K
Archived
Java
API Documentation
API Frameworks
Spring
#swagger#openapi#documentation

microsoft/typespec

TypeSpec is a Java library for defining and validating JSON Schema, OpenAPI, and Protocol Buffers specifications.

5.6K
Active
Java
API Documentation
API Frameworks
#json-schema#openapi3#protobuf

samchon/typia

A fast and easy-to-use runtime validator and serializer for TypeScript that supports JSON Schema, OpenAPI, and Protobuf.

5.6K
Active
TypeScript
API Clients & Testing
Backend Frameworks
TypeScript
#json-schema#openapi#protobuf

orval-labs/orval

A TypeScript library for generating type-safe API clients from OpenAPI/Swagger specifications

5.5K
Active
TypeScript
API Clients & Testing
API Mocking
React
#openapi#swagger#codegen

emicklei/go-restful

A customizable Go package for building REST-style web services with support for OpenAPI specification.

5.1K
Stable
Go
API Frameworks
Backend Frameworks
#rest#openapi#customizable

loopbackio/loopback-next

Builds modern API applications with dependency injection and strong loopback framework

5.1K
Active
TypeScript
Express
#dependency-injection#openapi#rest

middleapi/orpc

Typesafe APIs Made Simple - a framework-agnostic toolkit for building type-safe APIs with OpenAPI and RPC

4.9K
Active
TypeScript
API Documentation
tRPC & Type-Safe APIs
Next.js
#api#openapi#type-safe

stoplightio/prism

An open-source API testing and mocking tool that can generate realistic API servers from OpenAPI and Postman specifications.

4.9K
Active
TypeScript
API Mocking
API Documentation
TypeScript
#api-testing#mock-server#openapi

Azure/autorest

An OpenAPI (Swagger) code generator that supports multiple languages including C#, Go, Java, Node.js, Python, and TypeScript.

4.8K
Stable
TypeSpec
API Clients & Testing
API Documentation
React
#openapi#code-generation#api-client

xiaoymin/knife4j

Knife4j is a set of Swagger2 and OpenAPI3 enhancement solutions for developer documentation and testing.

4.5K
Active
HTML
API Documentation
API Clients & Testing
Spring
#swagger#openapi#documentation

APIs-guru/openapi-directory

A comprehensive directory of OpenAPI definitions for REST APIs from various sources.

4.4K
Stable
API Documentation
API Clients & Testing
#api-catalog#api-directory#openapi-definitions

AndrewWalsh/openapi-devtools

A browser extension that generates OpenAPI specifications for any app or website, enabling developers to easily build APIs.

4.3K
Experimental
TypeScript
API Documentation
IDE Extensions
TypeScript
#api#openapi#specification

hey-api/openapi-ts

A powerful TypeScript SDK generator for OpenAPI specifications, providing production-ready tools and APIs.

4.2K
Active
TypeScript
API Clients & Testing
API Documentation
Next.js
#openapi#typescript#codegen

apiaryio/dredd

A language-agnostic HTTP API testing tool for developers to test and validate APIs

4.2K
Archived
JavaScript
API Testing
Testing
React
#testing#API#integration-testing

open-webui/mcpo

A secure MCP-to-OpenAPI proxy server that enables developers to connect MCP-based AI tools to their applications.

4.0K
Stable
Python
MCP Servers
API Clients & Testing
Python
#mcp#openapi#proxy

swagger-api/swagger-node

A Node.js library for creating and documenting RESTful APIs using the Swagger/OpenAPI Specification.

4.0K
Archived
JavaScript
API Documentation
API Clients & Testing
Node
#rest#api#swagger

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