agoo

Benchmarks show it handles over 100,000 requests per second for simple Ruby handlers and serves static files at hundreds of thousands of fetches per second, making it significantly faster than Puma or Rails.

Fully compatible with Rack, allowing drop-in use with Rails, Sinatra, and Hanami without code changes, as demonstrated in the Rails setup example.

Includes a GraphQL server with subscription support and a simple API, reducing dependency on external gems, as shown in the GraphQL example code.

Native support for WebSockets and Server-Sent Events enables easy implementation of real-time features without additional setup.

Can serve Rails static assets up to 8000 times faster than default servers, drastically improving frontend load times per the README benchmarks.