Charles Max Wood (twitter github Teach Me To Code Rails Summer Camp)
Eric Davis (twitter github blog)
Evan Light (twitter github blog)
Jeff Schoolcraft (twitter github blog)

Ruby
Java
.NET
JavaScript
Ruby on Rails
Rescue Projects
Redmine
Chili Project
Legacy Code
Sinatra
Rack
Spree
Ryan Bigg
Radiant
rails_admin
Padrino
Plugins
attachment_fu
Upgrading around customized plugins
acts_as_commentable_with_threading
Twitter API
Facebook API
Email
LDAP authentication
Single Signon authentication
"Ruby is the glue that doesn't set"
Facebook Connect
ACH gateway
OmniAuth
Facebook Graph API
Minitest
Minitest-spec
RSpec
Cucumber
Spinach
Coulda
"I want something like <insert social network here> except it does <insert unique selling proposition>."
Big Rewrites
Nagios

Vagrant (Eric)
Rookies in the Bike Shed by DHH (Eric)
ActiveAdmin (Jeff)
VeeWee (Jeff)
The Power of Habit (Jeff)
OO vs Functional Design (Evan)
Pry (Evan)
Mass Effect 3 (Evan)
Scrivener (Chuck)
railstutorial.org (Chuck)
Crafting Rails Applications (Chuck)
RubyKoans (Eric)