A Lightweight Sass Tool Set

A library for setting up Ruby objects as test data.

A Ruby gem to load environment variables from `.env`.

💨 Writing Fast Ruby 😍 -- Collect Common Ruby idioms.

A command-line power tool for Twitter.

Slim is a template language whose goal is to reduce the syntax to the essential parts without becoming cryptic.

Cucumber for Ruby. It's amazing!

JRuby, an implementation of Ruby on the JVM

[DISCONTINUED ] Attributes on Steroids for Plain Old Ruby Objects

Simple one-liner tests for common Rails functionality

One beautiful Ruby API for OpenAI, Anthropic, Gemini, Bedrock, OpenRouter, DeepSeek, Ollama, VertexAI, Perplexity, Mistral, xAI, GPUStack & OpenAI compatible APIs. Chat, Vision, Audio, PDF, Images,…

A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and Da…

Factory Bot ♥ Rails

Toolkit for developing sleek command line apps.

Makes tests easy on the fingers and the eyes

YARD is a Ruby Documentation tool. The Y stands for "Yay!"

kramdown is a fast, pure Ruby Markdown superset converter, using a strict syntax definition and supporting several common extensions.

Ruby/ProgressBar is a text progress bar library for Ruby.

Rails Plugin that tracks impressions and page views

Guides for Ruby and Elixir and whatever else I feel like

👍👎 A recommendation engine using Likes and Dislikes for your Ruby app

A Ruby library for testing your library against different versions of dependencies.

Oga is an XML/HTML parser written in Ruby.

An intelligent — pure Ruby — WHOIS client and parser.

A Ruby Implementation of the Model Context Protocol

Terminal Keynote - A hack for terminal-based talks

Rumale is a machine learning library in Ruby

Terminal output styling with intuitive and clean API.

Pretty your exception backtrace.

Use handlebars.js templates with the Rails asset pipeline.