147 Open source projects that are alternatives of or similar to opg

An OpenAPI 3.x/Swagger 2 code generator for Node.js

A standard library for microservices.

Restish is a CLI for interacting with REST-ish HTTP APIs with some nice features built-in

High-performance Async REST API, in Python. FastAPI + GINO + Arq + Uvicorn (w/ Redis and PostgreSQL).

OpenAPI core

Run mock server based off an API contract with one command

OpenAPI Spec validator

Lightweight, Typescript REST library powered by Koa 2+. Use classes and decorators to define your API. Inject arguments from ctx. Supports API versioning. Future support for OpenAPI3. Works with koa-router.

An angularJS implementation of Swagger UI

Full stack, modern web application generator. Using FastAPI, Couchbase as database, Docker, automatic HTTPS and more.

📘 OpenAPI/Swagger-generated API Reference Documentation

A CLI tool to transform Swagger/OpenAPI/AsyncAPI docs to beautiful HTML pages via Shins/Widdershins.

Example of how you can use OpenAPI with AWS API Gateway, Also includes integrations with AWSLambda, AWS Cognito, AWS SNS and CloudWatch logs

OpenAPI mock server with random data generation

Generate OpenAPI v3 clients and servers from the command line

Runtime OpenAPI v3 schema generation for routing-controllers.

OpenAPI Visual Editor

Validate your Swagger JSON/YAML today!

OpenAPI/Swagger 2.0 to OpenAPI 3.0 Converter WebService

PDF generation from OpenAPI / Swagger Spec

📘 Multi-file boilerplate for Open API Specification

🎉 Release 2.0 is released! Very fast HTTP router for PHP 7.1+ (incl. PHP8 with attributes) based on PSR-7 and PSR-15 with support for annotations and OpenApi (Swagger)

Filter internal paths, operations, parameters, schemas etc from OpenAPI/Swagger/AsyncAPI definitions

FastAPI framework plugins

Spot is a concise, developer-friendly way to describe your API contract.

Utility for comparing two OpenAPI specifications.

REST API application generator for Yii2, openapi 3.0 YAML -> Yii2

A python module for building OpenAPI compliant asynchronous Rest Servers. Auto documentation, serialization and validation in the same unified API.

🌐 Wikipedia for Web APIs. Directory of REST API definitions in OpenAPI 2.0/3.x format

OpenAPI v3 code generator for go

F# generative Type Provider for Swagger

Amazon Web Services API description to OpenAPI 3.0 definition

Javascript library to connect to swagger-enabled APIs via browser or nodejs

Collection of RESTful APIs provided by Ethereum Beacon nodes

swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.

openEHR REST API Specifications

It validates PSR-7 messages (HTTP request/response) against OpenAPI specifications

OpenAPI 3 parser, JSON schema and request validator.

An easy-to-use high-performance asynchronous web framework.

An OpenAPI v3 utility for Go

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

Build strong and efficient REST web services.

Resolving Swagger/OpenAPI 2.0 and 3.0 Parser

A pharo implementation of OpenAPI 3.0.1

A consistent, declarative way of interacting with RESTful backends, featuring code-generation from Swagger and OpenAPI specs 🔥

Intellij Plugin for openapi-generator

An open source Open API Spec 3 Definition Parser

Quenya is a framework to build high-quality REST API applications based on extended OpenAPI spec

A tool to help generate Swagger specification documentation based on OAS 3.0 for Sails APIs

Convert class-validator-decorated classes into JSON schema

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

A model-based test case generator

Browse and test a REST API described with the OpenAPI 3.0 Specification

OpenAPI 3.0 CodeGen plus Node.js minus the Java and emojis

An opinionated OpenAPI v3 code generator for Go. Use this to generate API models and router scaffolding.

OpenAPI 3 Specification for golang

Convert between JSON Schema, TypeScript, GraphQL, Open API and SureType

🔑 Sample Spring boot application secured using JWT auth in custom header(X-Auth-Token).

API Generator - instantly generate REST and GraphQL APIs (openapi (OAS) 3.0.0)