Metasploit Framework

The Ruby Programming Language

An uroboros program with 100+ programming languages

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

⚡ A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps

🔬 A Ruby library for carefully refactoring critical paths.

Automatically generate change log from your tags, issues, labels and pull requests on GitHub.

Guard is a command line tool to easily handle events on file system modifications.

Create beautiful JavaScript charts with one line of Ruby

A flexible framework for maintainable Ruby apps

Determines which markup library to use to render a content file (e.g. README) on GitHub

Object-based searching.

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

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

Sequel: The Database Toolkit for Ruby

Easy full stack backup operations on UNIX-like systems.

Business intelligence made simple

Emoji images and names.

A library for bulk insertion of data into your database using ActiveRecord.

A fully configurable and extendable Git hook manager

Library packaging and distribution for Ruby.

Preview mail in the browser instead of sending.

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

Rails authentication with email & password.

Versioned database views for Rails

A Ruby code quality reporter

File Attachment toolkit for Ruby applications

Role management library with resource scoping

HTTP (The Gem! a.k.a. http.rb) - a fast Ruby HTTP client with a chainable API, streaming support, and timeouts

Go faster, off the Rails - Benchmarks for your whole Rails app