David Bock

font-awesome-rails. the font-awesome font bundled as an asset for the rails asset pipeline

business_time. Support for doing time math in business hours and days

fullcalendar-rails. an asset gem containing Adam Shaw's excellent fullcalendar jquery plugin

sentient_user. Allow your models to know who the current_user is.

stonepath. A collection of stateful workflow concepts for Ruby/ActiveRecord, extracted from a real-world project, announced at RailsConf 2009

tz_magic. a bit of rails engine magic for determining the timezone of the user's browser.

RASK. RASK - the Rake Application Starter Kit

semanticgs-rails. a gem asset containing the sass version of semantic.gs

fullcalendar_assets. An eample showing fullcalendar running with Rails 3.2, all bundled up as a nice and tidy asset gem

stonewall. extracting the acl constructs from stonepath

jquery-rest-rails. an asset gem containing the jquery-rest plugin.

ghbuttons-rails. github-style buttons as a rails gem with scss mixins for juicy semantic goodness.

nuke_pave. Ruby

Pic-upload---Crop-in-Ajax. Rails 3 - Ajax Upload + Crop with Paperclip

jkarel. Educational library used in schools to teach introductory programming