Favorite Ruby Gems

Gem	Description
annotate_models	writes the model schema to the model tests and app model files as comments.
arbre	an Object Oriented DOM Tree in Ruby
arel	a relational algebra
benchmark-ips	provides iteration per second benchmarking for Ruby
byebug	Rails' default debug tool of choice
churn	the history of churns to give the number of times a file, class, or method is changing during the life of a project
coveralls	online service for code coverage
derailed_benchmarks	Benchmarks for your whole Rails app
discard	soft deletes for ActiveRecord done right
feedjira	a feed parsing library
hamster	efficient, immutable, thread-safe collection classes
highline	a higher level command-line oriented interface
kaminari	a Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps
mechanize	makes automated web interaction easy
rabl	general ruby templating with json, bson, xml, plist and msgpack support
rake	a make-like build utility for Ruby
ransack	enables the creation of both simple and advanced search forms for your Ruby on Rails application
simplecov	automatic merging of coverage across test suites
strong_migrations	catch unsafe migrations in development
tty-command	execute shell commands with pretty output logging and capture stdout, stderr and exit status
tty-pie	draw pie charts in your terminal window
webpacker	use Webpack to manage app-like JavaScript modules in Rails
yard	Yay! A Ruby Documentation Tool