This is a gem for Rails with Semantic UI assets inside.

Flash hash implementation for Rack apps.

Rack middleware for rblineprof (github.com/tmm1/rblineprof)

Web page speed optimizations at the Rack level

A Ruby implementation of Model Context Protocol server for Rails projects

A light-weight Sinatra-inspired web framework for web sites and applications of any size.

SproutCore is a platform for building native look-and-feel applications on the web. This Ruby library includes a copy of the SproutCore JavaScript framework as well as a Ruby-based build system called Abbot.

Stubb is the second mate.

Tidewave for Rails

vmpooler provides configurable pools of instantly-available (running) virtual machines

Provides methods to access BigBlueButton in a ruby application through its API

Milkode is line based local source code search engine. It have command line interface and web application. It will accelerate the code reading of your life.

OpenAPI based request validation, response validation, contract-testing and coverage

Inserts P3P header

Eat Pancake Stacks for Breakfast

A simple Rack middleware for checking app health.

The Plezi.io Ruby Framework for real time web applications.

Polyphony-http: Polyphonic HTTP for Ruby

Private Puppet forge server supports local files, both v1 and v3 API proxies

Rack middleware for creating HTTP endpoints for files stored in MongoDB's GridFS