FastStream is an asynchronous Python framework for building event-driven applications. It brings together message broker integration, dependency injection, validation, testing utilities, and AsyncAPI documentation generation in a single toolkit

The AsyncAPI specification allows you to create machine-readable definitions of your asynchronous APIs.

The discovery and governance layer for event-driven systems. Document your domains, services, events and schemas — for your teams and your AI agents.

The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀

The Standard Webhooks specification

OpenAPI / Swagger, AsyncAPI & Semoasa definitions to (re)Slate compatible markdown

⚒️ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more.

Use your AsyncAPI definition to generate literally anything. Markdown documentation, Node.js code, HTML documentation, anything!

🦎 A multi-protocol edge & service proxy. Seamlessly interface web apps, IoT clients, & microservices to Apache Kafka® via declaratively defined, stateless APIs.

Propan is a powerful and easy-to-use Python framework for building event-driven applications that interact with any MQ Broker

A library for generating typed models based on inputs such as AsyncAPI, OpenAPI, and JSON Schema documents with high customization

Eliminate API integration headaches with Specmatic's no-code AI-powered API development suite. Teams ship APIs 10x faster by transforming specifications into executable contracts instantly—no coding required, no integration surprises.

Управление архитектурой как кодом

The AsyncAPI.NET SDK contains a useful object model for AsyncAPI documents in .NET

Automated documentation for event-driven applications built with Spring Boot

Your agents are guessing at APIs. Give them the actual Agent-Native spec. 1500+ API's Ready To-Use skills, Compile any API spec into a lean, agent-native format. 10× smaller. OpenAPI, GraphQL, AsyncAPI, Protobuf, Postman.

Serverless Workflow Management System (WFMS)

The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines

React component for rendering documentation from your specification in real-time in the browser. It also provides a WebComponent and bundle for Angular and Vue

NestJS AsyncAPI module - generate documentation of your event-based services using decorators