Jerry
Preview
Open in TheBrain
Welcome! (start here)
Visual Thinking
Visualization
Encoding
Notation
Formal Languages
Computer Programming Languages
Ruby
Ruby Apps
Basecamp
Attachments
Basecamphq
Parents
Basecamp (1999 as 37 Signals)
Project Management Software
Ruby Apps
Children
Basecamps
Grouphub
Ta-da Lists
Jumps
Ruby on Rails (2004)