A library built to handle the easy conversion, comparison and manipulation of colors with CSS-style hex color notation.

Rigor is a CLI-first static analyzer for Ruby applications that prioritizes type inference, clean application code, and zero runtime dependencies. Rigor is a standalone tool, not a library: install it independently rather than adding it to your application's Gemfile. It runs on Ruby 4.0 while you...

TCP application host and proxy server

Ript provides a clean Ruby DSL for describing firewall rules, and implements database migrations-like functionality for applying the rules

Ruby to Lua bindings

RMagick is a Ruby binding to ImageMagick and GraphicsMagick. RMagick4J implements ImageMagick functionality and the C portions of RMagick for use with JRuby.

Object-oriented representers help you define nested JSON API documents which can then be rendered and parsed using one and the same concept.

A simple library for communicating with the Robinhood API

Robokassa is payment system, that provides a single simple interface for payment systems popular in Russia. If you have customers in Russia you can use the gem. The first thing about this gem, is that it was oribinally designed for spree commerce. So keep it in mind.

Obey Robots.txt

rochefort is fast data append service that returns offsets to be indexed

A gem to help build event-based code in Ruby

Displays a stacktrace in rollbar

Standalone data mappers integrated with rom-rb

Handle nested forms using Stimulus JS

Round Robin Tournament schedule for competitions or classroom teams

Redis dependencies for Rpush.

rQRCode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures ready to be displayed in the way you choose.

Retries code when an exception is raised an arbitrary number of times

When you write a web API, you make a promise to the world. RSpec API helps you keep your promise.