Category Overview

A ActiveRecord Default Values ActiveRecord Encryption ActiveRecord Index Assist ActiveRecord Named Scopes ActiveRecord Nesting ActiveRecord Soft Delete ActiveRecord Sortables ActiveRecord Value Cleanup ActiveRecord Versioning API Clients
B Backups Browser testing
C Calendars Code Metrics Content Management Continuous Integration Continuous Testing CouchDB Clients CSS Frameworks CSS with Ruby
D Daemon Management Daemonizing Dependency Management Deployment Automation Documentation Tools
E E-Commerce E-Mail Exception Notification
G Game libraries Gem Creation Gem Doc Viewers Geocoding & Maps Graphing
H HTML parsing HTTP clients
I I18n Image Processing irb Tools IRC Bots
J JavaScript Frameworks JavaScript Testing JavaScript Tools
L LDAP
M Markup processors Microformats Mocking Mocking Web Requests Music & MIDI
P Packaging Systems Packaging to Executables PDF Generation Project Management Prototype Replacements
Q Queueing
R Rails Admin Interfaces Rails App Templates Rails Asset Management Rails Authentication Rails Authorization Rails Captcha Rails Comments Rails Controller Abstractions Rails DB Bootstrapping Rails File Uploads Rails Fixture Replacement Rails Form Builders Rails In-Place Editing Rails Instrumentation Rails Menu Builders Rails Pagination Rails Permalinks & Slugs Rails Ratings Rails Search Rails Subdomains Rails Tagging Rails Wizards Random Data Generation Recurring Events RSS Feed Parsing
S Scheduling Scripting Frameworks Security Tools Server Monitoring SOAP Clients Social Network Builders Spam Detection State Machines Static Website Generation Syntax Highlighting Systems Integration
T Template Languages Testing frameworks Text Editors in Ruby Time Warping
V Visualizing Data
W Web app frameworks Web servers Wiki Apps
X XML Mapping