Letters brings Ruby debugging into the 21st century. It leverages print, the debugger, control transfer, even computer beeps to let you see into your code's state.

Turn Pry into a primitive debugger. Adds 'step' and 'next' commands to control execution.

In showing a long lists, sometimes one would prefer to see the value arranged aligned in columns. Some examples include listing methods of an object or debugger commands. See Examples in the rdoc documentation for examples.

A modular, testable, Ruby debugger using some of good ideas from ruby-debug, other debuggers, and Ruby Rails. Some of the core debugger concepts have been rethought. As a result, some of this may be experimental. This version works only on Rubinus 1.2.1 or higher.

pry-doc + pry-docmore + pry-debugger + pry-stack_explorer + pry-rescue + bond + jist + pry-plus + pry-theme + pry-pretty-numeric + pry-syntax-hacks + pry-highlight + pry-editline + pry-git + pry-developer_tools + awesome_print

ruby-debug is a fast implementation of the standard Ruby debugger debug.rb. It is implemented by utilizing a new Ruby C API hook. The core component provides support that front-ends can build on. It provides breakpoint handling, bindings for stack frames among other things.

Rubinius debugger.

ruined is Ruby Source Level Debugger for educational purpose.

Interactive test debugger for Capybara tests

A set of patches to Ruby MRI 1.9.3 and 1.9.2 that adds run-time introspection, a call frame object, and other run-time support for things like debuggers. Necessary patches and some simple patch code are found in the git repository. See https://github.com/rocky/rb-threadframe/wiki/How-to-Install ...

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.

Add a JRuby-compatible debugger to 'pry'. Adds 'step', 'next', 'continue', `break` and `breakpoints` commands to control execution.

Rhomobile debugger extension

Quick Ruby debugger. Easily print any object or string to the console and to your logs while you're working.

An extremely early build for a Ruby Debugging tool, designed to be able to hook into various classes and track changes. Not intended to be used by others at this stage.

The Ruby Regex Debugger. Put your regex in the top pane, and your match text in the bottom pane. Kang will highlight the match text that matches and show you any match groups you have created down the right hand side.

Better rails debugger can analyze memory issues only by the moment, but performance is planned.

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.

Metasm is a cross-architecture assembler, disassembler, linker, and debugger.

A modular, testable, Ruby debugger using some of the best ideas from ruby-debug, other debuggers, and Ruby Rails. Some of the core debugger concepts have been rethought. As a result, some of this may be experimental. This version works only with MRI 1.8 and 1.9' See rbx-trepanning for a versi...