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OpenAPI Initiative

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Name Description Home Repo 3.1? 3.0? 2.0? Stars Properties
Alphadoc Alphadoc is a full featured developer experience platform. API components with granular parameter control and diagrams generated from your OpenAPI. Not only the reference, but the entire set of tutorials and guides automatically updates when the underlying API updates. Link No Yes Yes Yes N/A
Docuo Docuo is a lightweight platform that transforms your static contents into a modern developer hub, API reference, product guides, and more. Link Link Yes Yes No N/A
APIMatic Developer Experience Portal Customizable developer portals packed with language specific documentation, client libraries, code samples, an API console and much more. Link No Yes Yes Yes N/A
Apitive Studio A platform for Digital Product Managers and API Consultants to design REST APIs with in-built mock and documentation. Link No No Yes Yes N/A
Frevo Keep track of changes in your OpenAPI specifications & generate API references ⛱️ Link No Yes Yes No N/A
Kong Enterprise Edition Highly customizable developer portal with developer onboarding, integrated with the Kong API Gateway Link No Yes Yes Yes N/A
LucyBot DocGen Interactive REST API Documentation Link Link No Yes Yes 176
Scalar Beautiful API references from OpenAPI/Swagger files ✨ Link Link Yes Yes Yes 3685
ReadMe Interactive developer hubs that help users succeed with your APIs 🦉 Link Link Yes Yes Yes N/A
ReDoc 📘 OpenAPI/Swagger-generated API Reference Documentation Link Link Yes Yes Yes 22511
RestCase Docs An API-first and security-first management platform. Design visually and we will create a beautiful API documentation for your APIs. Link No No Yes Yes N/A
Nexmo OAS Renderer Render your API references, Nexmo-style! No Link No Yes No 44
OpenDocumenter OpenDocumenter is a automatic documentation generator for OpenAPI v3 schemas. Simply provide your schema file in JSON or YAML, then sit back and enjoy the documentation. Link Link No Yes Yes 160
oas3-api-snippet-enricher Enrich your OpenAPI 3.0 JSON with code samples Link Link No Yes No 87
MrinDoc OpenApi viewer Implemented using Vue Link Link No Yes Yes 102
RapiPdf PDF generation from OpenAPI / Swagger Spec Link Link No Yes Yes 272
Stoplight Docs Create beautiful, customizable, interactive API documentation generated from OpenAPI, integrated with Stoplight Studio. Link No Yes Yes Yes N/A
jekyll-openapi An OpenAPI 3 documentation website generator built with Jekyll for use on GitHub Pages Link Link No Yes No 41
Bump.sh Bump.sh CLI - Deploy your OpenAPI & AsyncAPI documentations from your CI Link Link Yes Yes Yes 32
openapi-dev-tool OpenAPI Dev Tool proposes to developers a unique tool to address development and industrialization needs! No Link No Yes No 42
Redocly CLI ⚒️ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more. Link Link Yes Yes Yes 812
GranthAi NodeJs OpenAPI 3 based documentation generator which sits between server APIs and anyone calling the APIs Link Link No Yes No N/A
Restish Restish is a CLI for interacting with REST-ish HTTP APIs with some nice features built-in Link Link Yes Yes No 645
DeveloperHub Collaboration platform for product and API documentation Link No Yes Yes Yes N/A
Elements Build beautiful, interactive API Docs with embeddable React or Web Components, powered by OpenAPI and Markdown. Link Link Yes Yes Yes 1502
BlocklyAutomation VisualAPI - LowCode Macros for YOUR API / HTTP Calls : https://visualapi.azurewebsites.net/ Link Link Yes Yes No 31
Zuplo (OpenAPI-based gateway and documentation) Zuplo is an API gateway designed for developers. Natively powered by OpenAPI (3.1 or 3.0), zuplo offers an OpenAPI design surface, API documentation and a serverless, programmable edge gateway that includes request validation, auth, rate-limiting and more. Link No Yes Yes No N/A
MkDocs Swagger UI Tag A MkDocs plugin supports adding Swagger UI to the page. Link Link Yes Yes Yes 65
APIGit the native Git based collaboration platform for API design, document, mock, testing and share. Link Link Yes Yes Yes N/A
Kusk Gateway Kusk-gateway is an OpenAPI-driven API Gateway for Kubernetes Link Link No Yes Yes 247
openapi-changes The world's sexiest OpenAPI breaking changes detector. Discover what changed between two OpenAPI specs, or a single spec over time. Supports OpenAPI 3.1, 3.0 and Swagger Link Link Yes Yes Yes 130
KrakenD API Gateway KrakenD is a high-performance, stateless API Gateway, seamlessly integrated with OpenAPI. It facilitates automatic API documentation and provides the capability to import existing specifications for generating configuration and mock servers. Link No No Yes Yes N/A
Treblle Treblle is a lightweight SDK that helps Engineering and Product teams build, ship, and maintain REST based APIs faster. Link No Yes Yes No N/A
api-diff-viewer React component to view difference between two Json based API documents No Link Yes Yes Yes 28
🌿 Fern 🌿 Stripe-level SDKs and Docs for your API Link Link Yes Yes Yes 2327
// Speakeasy Generate & publish SDKs in 10+ languages, Terraform Providers, and docs from your OpenAPI Link Link Yes Yes No N/A
Traefik Hub Traefik Hub is a Kubernetes-native API Management solution for publishing, securing, and managing APIs. Configuration is driven by Kubernetes CRDs, labels, and selectors for effective GitOps. Link Link No Yes Yes 3
widdershins OpenAPI / Swagger, AsyncAPI & Semoasa definitions to (re)Slate compatible markdown Link Link No Yes Yes 1456
rapidoc RapiDoc -WebComponent for OpenAPI Spec No Link No Yes No 1566
beacon-apis Collection of RESTful APIs provided by Ethereum Beacon nodes No Link No Yes No 307
znai Build functional, maintainable, beautiful User Guides with markdown and Znai plugins. Instant pages navigation. Local search. Multiple integrations to work with Python, Java, C++, OpenAPI, etc. Transform "getting started" sections into slideshow for your workshops. Manage multiple documentations with self-deployed znai hub. No Link No Yes No 234
openapi-parser Parse OpenAPI documents into Burp Suite for automating OpenAPI-based APIs security assessments (approved by PortSwigger for inclusion in their official BApp Store). No Link No Yes No 187
openapi-sampler :capital_abcd: Tool for generation samples based on OpenAPI(fka Swagger) payload/response schema No Link Yes Yes No 173
api2html A CLI tool to transform Swagger/OpenAPI/AsyncAPI docs to beautiful HTML pages via Shins/Widdershins. No Link No Yes No 112
openapi-viewer Browse and test a REST API described with the OpenAPI 3.0 Specification No Link No Yes No 91
openapi3-generator Use your API OpenAPI 3 definition to generate code, documentation, and literally anything you need. No Link No Yes No 88
oas3-api-snippet-enricher Enrich your OpenAPI 3.0 JSON with code samples No Link No Yes No 87
data-fair Findable, Accessible, Interoperable and Reusable Data. A complete open-source solution for your open and private data needs. French only for the time being, internationalization coming soon. No Link No Yes No 32
workers-queue-demo Edge message queue service on Cloudflare Workers using Durable Objects and KV. It provides a simple REST API. No Link No Yes No 29
vue-admin Vue.js based administrative interface No Link No Yes No 28
reslang A language for describing resource-oriented APIs & turning them into Swagger or resource diagrams. Oriented around the concepts we want to expose in the APIs. No Link No Yes No 23
mock-samples Start using Mockoon in no time with popular APIs mock samples. No Link No Yes No 19
topi Terminal OpenAPI documentation viewer 🐐 No Link No Yes No 16
vs-openapi-designer OpenApi Designer Extension for VS Code No Link No Yes No 15
codaptor Instantly add Corda to any tech stack and improve resiliency of your architecture No Link No Yes No 15
nr-arch-exploration This repo contains various examples on different APIs and UIs and Metabase deployment specific to Oracle connection No Link No Yes No 13
openapi Reposository holding the API specifications of Brønnøysundregistrene No Link No Yes No 9
supercharged-openapi This repository was the one I used during my Supercharged OpenAPI session done during the Manning Live API Conference. No Link No Yes No 8
sb-openapi SponsorBlock API in Swagger/ OpenAPI No Link No Yes No 8
actix-web-openapi Contract testing of an OpenAPI document for REST service running on Actix Web No Link No Yes No 6
the-game Swift implementation of the card game "The Game", by Steffen Benndorf using the Apodini Framework, Angular, OAS3.0 and swagger-codegen No Link No Yes No 3
multi-file-oas-example An example of multi file OpenAPI Specification 3.0 No Link No Yes No 3
apibin Example API with modern features No Link No Yes No 4
phone-bridge Phone Bridge Project No Link No Yes No 2
vue-openapi-bootstrap OpenAPI viewer component for VueJS No Link No Yes No 2
openapi-preview Preview OpenAPI Spec using Swagger UI No Link No Yes No 1
api-spec OpenAPI 3.0 Specification for Azure Standard’s API. No Link No Yes No 1
koa-openapi3-router Koa (v2) Router, based on OpenAPI 3 Doc. No Link No Yes No 1
namsor-ruby-sdk2 NamSor API v2 Ruby SDK - classify personal names accurately by gender, country of origin, or ethnicity. No Link No Yes No 1
mojang-api Mojang API documented with Swagger No Link No Yes No 1
swaggerui-addon Swagger UI addons to browse OpenAPI spec APIs No Link No Yes No N/A
openapi3-joiner Node script to merge multiple Open API 3 specifications into single specification No Link No Yes No N/A
gaard-api-docs Ukpik API documentation No Link No Yes No N/A
offers Open Banking Offers API built on top of light-4j No Link No Yes No N/A
tendershins Wrapper for shins documentation generators No Link No Yes No N/A
openapitomarkdown convert openApi3 json file to markdown file No Link No Yes No N/A
iwlz-indicatie Koppelvlak specificatie Indicatieregister No Link No Yes No 2
setlist An API-driven list of all songs available for requests on twitch.tv/warths. Currently in development. No Link No Yes No N/A
flow-center 财务管理系统-后端服务-流程中心 No Link No Yes No N/A
APIMatic Developer Experience Portal Customizable developer portals packed with language specific documentation, client libraries, code samples, an API console and much more. Link No Yes Yes Yes N/A
APITree HUB for managing and sharing APIs. Converts OpenAPI v2 / v3 files into beautiful API documentation. Link Link No Yes Yes N/A
invoice-service 财务管理系统-后端服务-渠道发票 No Link No Yes No N/A
api-specs Eveoh API specifications No Link No Yes No N/A
ecommerce-marketplace-api ecommerce API design. stoplight.io No Link No Yes No N/A
wefox-node-js-assessment A general and simple NodeJS application for a demo purpose No Link No Yes No N/A
BlocklyAutomation VisualAPI - LowCode Macros for YOUR API / HTTP Calls : https://visualapi.azurewebsites.net/ Link Link Yes Yes No 31
OpenAPI Explorer OpenAPI Web component to generate a UI from the spec. Link Link Yes Yes Yes 284
APIMatic Developer Experience Portal Customizable developer portals packed with language specific documentation, client libraries, code samples, an API console and much more. Link No Yes Yes Yes N/A
transactions transactions API built on top of light-4j No Link No Yes No N/A
parties parties API built on top of light-4j No Link No Yes No N/A
ReadMe Build beautiful, personalized, interactive developer hubs. 🦉 Link No Yes Yes Yes N/A
gloo-portal-demo Tasks backend service with OpenAPI v3 doc that stores tasks in NoSQL database. No Link No Yes No N/A
Bump Bump generates elegant documentation and changelogs from your OpenAPI specifications. Git diff, for your API. Link No Yes Yes Yes N/A
APIGit native Git based collaboration platform for API document, Design, Mock and Sharing! Link No Yes Yes Yes N/A
Stoplight Docs Create beautiful, customizable, interactive API documentation generated from OpenAPI, integrated with Stoplight Studio. Link No Yes Yes Yes N/A