Polyphony is a library for writing highly concurrent Ruby apps. Polyphony harnesses Ruby fibers and a powerful io_uring-based I/O runtime to provide a solid foundation for building high-performance concurrent Ruby apps.

Tipi is a new Polyphony-based web server for Ruby. Tipi provides out of the box support for HTTP/1, HTTP/2, and WebSocket. Tipi also provides SSL termination (support for HTTPS) with automatic certificate provisioning and automatic ALPN protocol selection.

Here are the latest updates about Polyphony and Tipi.