Deploy web apps anywhere.

Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

Rack middleware for blocking & throttling

Example of integration of Rails, react, redux, using the react_on_rails gem, webpack, enabling the es7 and jsx transpilers, and node integration. And React Native! Live Demo:

Machine learning for Ruby

Hashdiff is a ruby library to to compute the smallest difference between two hashes

A gem for adding functional programming tools to Ruby. Inspired by Erlang, Clojure, Haskell, and Functional Java.

High performance, lightweight .xlsx parser for Ruby that provides nothing a CSV parser wouldn't

JSON Schema implementation

Async limiter for ruby.