Nikita App is a developer tool that runs on Rubinius.

The Multimodal Interaction Framwork debugger enables model inspection at system runtime.

Scriptable debugger written in Ruby for OSX, Wind32 and Linux

A Git pre-commit hook that checks for debugging statements before allowing a commit.

pry-rails, pry-byebug, better_errors, binding_of_caller all wrapped in one!

Easily use rack-debug on rails projects

Provides debugger with command and command arguments completion, compliments of bond.

Handful collection of fnuctions and classes that helps debug you app. It's my personal gem. If you're a put debugger like me you're going to like it.

Auto starts Weinre remote debugger and prvides a simple insert helper to inject the script tag.

A puppet debugger plugin that allows one to play back predfined puppet scripts.

I'd rather not have to remember which debugging gem goes with which Ruby version. With this gem, I don't have to.

module Kernel; def d; require 'ruby-debug'; debugger; end; end

LineCache is a module for reading and caching lines. This may be useful for example in a debugger where the same lines are shown many times. This version works only with a Ruby 2.0 or greater.

Prints the last parameters line from your log file giving the action

rbdbg is a console debugger for Windows/OSX/Linux, primarily designed for automation.

a regexp debugger GUI

Lita plugin debugger

Load pry with the correct debugger.

Debug Cookie overflow in easy way

Gem for debugging Rails in Github's Atom Editor