acts-as-taggable-on : Advanced tagging for Rails. ( https://github.com/mbleigh/acts-as-taggable-on/ )
appraisal : Ruby library for testing your library against different versions of dependencies ( https://github.com/thoughtbot/appraisal )
asciidoctor : Processor for converting AsciiDoc source files or strings into HTML 5, DocBook 4.5 and other formats ( https://github.com/asciidoctor/asciidoctor )
carrierwave : ( https://github.com/carrierwaveuploader/carrierwave )
celluloid : Celluloid provides a simple and natural way to build fault-tolerant concurrent programs in Ruby ( https://github.com/celluloid/celluloid )
charlock_holmes : Character encoding detection, brought to you by ICU ( https://github.com/brianmario/charlock_holmes )
connection_pool : Generic connection pooling for Ruby ( https://github.com/mperham/connection_pool )
contest : General Rack Authentication Framework ( https://github.com/citrusbyte/contest )
cookiejar : Manage client-side HTTP cookies in Ruby ( https://github.com/dwaite/cookiejar )
creole : Creole-to-HTML converter for Creole, the lightweight markup language ( https://github.com/minad/creole )
d3_rails : Ruby on Rails integration for the Javascript Data Visualization Framework, D3. ( https://github.com/logical42/d3_rails )
descendants_tracker : Track descendants of a class ( https://github.com/dkubb/descendants_tracker )
devise : Flexible authentication solution for Rails with Warden ( https://github.com/plataformatec/devise )
dotenv : Loads environment variables from '.env'. ( https://github.com/bkeepers/dotenv )
enumerize : Enumerated attributes with I18n and ActiveRecord/Mongoid support ( https://github.com/brainspec/enumerize )
escape_utils : Faster string escaping routines for your web apps ( https://github.com/brianmario/escape_utils )
expression_parser : math parser ( http://lukaszwrobel.pl/blog/math-parser-part-3-implementation )
faraday_middleware : Various middleware for Faraday ( https://github.com/lostisland/faraday_middleware )
foreman : Manage Procfile-based applications ( https://github.com/ddollar/foreman )
github-linguist : Used at GitHub to detect blob languages, highlight code, ignore binary files, etc. ( https://github.com/github/linguist )
github-markdown : Self-contained Markdown parser for GitHub, with all their custom extensions ( https://help.github.com/articles/github-flavored-markdown )
github-markup : Used on GitHub when rendering README or any other rich text file. ( https://github.com/github/markup )
gitlab-gollum-lib : Simple, Git-powered wiki with a sweet API and local frontend (GitLab fork). ( https://github.com/gitlabhq/gollum-lib )
gitlab-grack : Ruby/Rack Git Smart-HTTP ( https://github.com/gitlabhq/grack )
gitlab-grit : Ruby/Rack Git Smart-HTTP ( https://github.com/gitlabhq/grack )
gitlab_git : Access git objects via GitLab Git. Basically its wrapper around grit. ( https://github.com/gitlabhq/gitlab_git )
gitlab_omniauth-ldap : LDAP strategy for OmniAuth (GitLab fork) ( https://github.com/gitlabhq/omniauth-ldap )
gloc : Localization library for ruby and/or rails. ( http://rubyforge.org/projects/gloc/" s.homepage = "${HOMEPAGE} )
grape : An opinionated micro-framework for creating REST-like APIs in Ruby. ( https://github.com/intridea/grape )
grape-entity : Entities - a simple Facade to use with your models and API - extracted from Grape. ( https://github.com/intridea/grape-entity )
haml-rails : Haml generators for Rails 3. ( https://github.com/indirect/haml-rails )
hashr : Simple Hash extension to make working with nested hashes. ( https://github.com/svenfuchs/hashr )
heredoc_unindent : Removes leading whitespace from Ruby heredocs ( https://github.com/adrianomitre/heredoc_unindent )
hipchat : Ruby library to interact with HipChat ( https://github.com/hipchat/hipchat-rb )
http_parser_rb : Simple callback-based HTTP request/response parser ( https://github.com/tmm1/http_parser.rb )
httparty : Makes http fun! Also, makes consuming restful web services dead easy. ( https://github.com/jnunemaker/httparty )
kaminari : Scope and Engine based, clean, powerful, customizable and sophisticated paginator for Rails 3 ( https://github.com/amatsuda/kaminari )
literati : Render literate Haskell with Ruby for great good. ( https://github.com/jm/literati )
nokogiri : Nokogiri is an HTML, XML, SAX, and Reader parser. ( http://nokogiri.rubyforge.org/ )
omniauth : A flexible authentication system utilizing Rack middleware. ( https://github.com/intridea/omniauth )
omniauth-github : Official OmniAuth strategy for GitHub. ( https://github.com/intridea/omniauth-github )
omniauth-google-oauth2 : Google oauth2 strategy for OmniAuth 1.0 ( https://github.com/zquestz/omniauth-google-oauth2 )
omniauth-oauth : A generic OAuth (1.0/1.0a) strategy for OmniAuth. ( https://github.com/intridea/omniauth-oauth )
omniauth-oauth2 : An abstract OAuth2 strategy for OmniAuth. ( https://github.com/intridea/omniauth-oauth2 )
omniauth-twitter : OmniAuth strategy for Twitter ( https://github.com/arunagw/omniauth-twitter )
org-ruby : Ruby routines for parsing org-mode files. ( https://github.com/bdewey/org-ruby )
orm_adapter : Provides a single point of entry for using basic features of ruby ORMs ( https://github.com/ianwhite/orm_adapter )
puma : A Ruby Web Server Built For Concurrency ( https://github.com/puma/puma )
pygments_rb : pygments syntax highlighting in ruby ( https://github.com/tmm1/pygments.rb )
pyu-ruby-sasl : Simple Authentication and Security Layer (RFC 4422) ( https://github.com/pyu10055/ruby-sasl )
rack-accept : HTTP Accept* for Ruby/Rack ( https://github.com/mjijackson/rack-accept )
rack-contrib : Contributed Rack Middleware and Utilities ( https://github.com/rack/rack-contrib )
rails-acts_as_tree : Rails ActsAsTree plugin ( http://github.com/${GITHUB_USER}/${MY_PN}/tree/master" s.homepage = "${HOMEPAGE} )
rails-acts_as_versioned : Rails ActsAsVersioned plugin ( http://rubyforge.org/projects/ar-versioned/ )
rails-engines : The Rails Engines plugin ( http://rails-engines.org )
redis : A Ruby client library for Redis ( https://github.com/redis/redis-rb )
redis-actionpack : Redis session store for ActionPack ( https://github.com/jodosha/redis-store )
redis-activesupport : Redis store for ActiveSupport::Cache ( https://github.com/jodosha/redis-store )
redis-namespace : Adds a Redis::Namespace class which can be used to namespace Redis keys. ( https://github.com/resque/redis-namespace )
redis-rack : Redis backed session store Rack. ( https://github.com/jodosha/redis-store )
redis-rails : Redis store for ActiveSupport::Cache ( https://github.com/jodosha/redis-store )
redis-store : Namespaced Rack::Session, Rack::Cache, I18n and cache Redis stores for Ruby web frameworks ( https://github.com/jodosha/redis-store )
rubyntlm : Ruby/NTLM provides message creator and parser for the NTLM authentication. ( https://github.com/winrb/rubyntlm )
rubytree : A General Purpose Tree Data Structure For Ruby. ( http://rubytree.rubyforge.org/ )
sanitize : Sanitize is a whitelist-based HTML sanitizer. ( https://github.com/rgrove/sanitize )
seed-fu : Advanced seed data handling for Rails, combining the best practices of several methods together. ( https://github.com/mbleigh/seed-fu )
settingslogic : Simple and straightforward settings solution that uses an ERB enabled YAML file and a singleton design pattern. ( https://github.com/binarylogic/settingslogic )
sidekiq : Simple, efficient background processing for Ruby ( https://github.com/mperham/sidekiq )
slim : Template language whose goal is reduce the syntax to the essential parts without becoming cryptic. ( https://github.com/slim-template/slim )
spork : Spork is Tim Harper's implementation of test server. ( https://github.com/sporkrb/spork )
stamp : Date and time formatting for humans. ( https://github.com/jeremyw/stamp )
state_machine : Adds support for creating state machines for attributes on any Ruby class ( https://github.com/pluginaweek/state_machine )
svn2git : Ruby tool for importing existing svn projects into git. ( https://github.com/nirvdrum/svn2git )
thor : Toolkit for building powerful command-line interfaces. ( https://github.com/erikhuda/thor )
tinder : Ruby API for interfacing with Campfire, the 37Signals chat application. ( https://github.com/collectiveidea/tinder )
twitter-stream : Simple Ruby client library for twitter streaming API. ( https://github.com/voloko/twitter-stream )
underscore-rails : underscore.js asset-pipeline provider/wrapper ( https://github.com/rweng/underscore-rails )
virtus : Attributes on Steroids for Plain Old Ruby Objects ( https://github.com/solnic/virtus )
warden : General Rack Authentication Framework ( https://github.com/hassox/warden )
wikicloth : mediawiki parser ( https://github.com/nricciar/wikicloth )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a dev-zero
For Paludis use this rsync : rsync://gentoo.zugaina.org/dev-zero-portage
If you have a problem : ycarus(-at-)zugaina.org