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Asynchronous WebSocket client and server, supporting HTTP/1 and HTTP/2 for Ruby.


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An asynchronous websocket client/server implementation for HTTP/1 and HTTP/2.

Development Status


Please see the project documentation for more details.

  • Getting Started - This guide shows you how to implement a basic client and server.

  • Rails Integration - This guide explains how to use async-websocket with falcon.


We welcome contributions to this project.

  1. Fork it.
  2. Create your feature branch (git checkout -b my-new-feature).
  3. Commit your changes (git commit -am 'Add some feature').
  4. Push to the branch (git push origin my-new-feature).
  5. Create new Pull Request.

Developer Certificate of Origin

This project uses the Developer Certificate of Origin. All contributors to this project must agree to this document to have their contributions accepted.

Contributor Covenant

This project is governed by the Contributor Covenant. All contributors and participants agree to abide by its terms.