Pry is a runtime developer console and IRB alternative with powerful introspection capabilities. Pry aims to be more than an IRB replacement. It is an attempt to bring REPL driven programming to the Ruby language.

Byebug is a Ruby debugger. It's implemented using the TracePoint C API for execution control and the Debug Inspector C API for call stack navigation. The core component provides support that front-ends can build on. It provides breakpoint handling and bindings for stack frames among other things and it comes with an easy to use command line interface.

A high-level IO library that provides validation, type conversion, and more for command-line interfaces. HighLine also includes a complete menu system that can crank out anything from simple list selection to complete shells with just minutes of work.

STDOUT text formatting

Interactive Ruby command-line tool for REPL (Read Eval Print Loop).

Brakeman detects security vulnerabilities in Ruby on Rails applications via static analysis. This package declares gem dependencies instead of bundling them.

Debugging functionality for Ruby. This is completely rewritten debug.rb which was contained by the ancient Ruby versions.

HexaPDF is a pure Ruby library with an accompanying application for working with PDF files. In short, it allows creating new PDF files, manipulating existing PDF files, merging multiple PDF files into one, extracting meta information, text, images and files from PDF files, securing PDF files by encrypting them and optimizing PDF files for smaller file size or other criteria. HexaPDF was designed with ease of use and performance in mind. It uses lazy loading and lazy computing when possible and tries to produce small PDF files by default.

HexaPDF is a pure Ruby library with an accompanying application for working with PDF files. In short, it allows creating new PDF files, manipulating existing PDF files, merging multiple PDF files into one, extracting meta information, text, images and files from PDF files, securing PDF files by encrypting them and optimizing PDF files for smaller file size or other criteria. HexaPDF was designed with ease of use and performance in mind. It uses lazy loading and lazy computing when possible and tries to produce small PDF files by default.

Be lazy. Let Maid clean up after you, based on rules you define. Think of it as "Hazel for hackers".

SwarmCLI provides a command-line interface for SwarmSDK, the lightweight multi-agent AI orchestration framework. Built with the TTY toolkit, it offers an intuitive and interactive way to define, manage, and execute AI agent swarms with progress indicators, formatted output, and comprehensive help documentation.

Debugging functionality for Ruby. This is completely rewritten debug.rb which was contained by the ancient Ruby versions.

Debugging functionality for Ruby. This is completely rewritten debug.rb which was contained by the ancient Ruby versions.

Modern web scraping framework written in Ruby and based on Capybara/Nokogiri

This is just a loader for "readline". If Ruby has the "readline-ext" gem that is a native extension, this gem will load it. If Ruby does not have the "readline-ext" gem this gem will load "reline", a library that is compatible with the "readline-ext" gem and implemented in pure Ruby.

A Ruby filer that runs on terminal

ManageIQ Appliance Console

Inspired by the Laravel Prompts project

IRB with Typed Completion

Define your business logic in simple steps.