B
Backbone.js: Javascript MVC framework
javascriptweb-development
Briss: PDF Editor
application

D
Duokan: E-book reader operating system
handheld

L
LESS: CSS compiler
web-developmentstylesheet

P
Picard: Music Tagger
application

R
Require.js: Javascript dependency management
javascriptdependency-managementweb-development

S
sed: Regular expression pattern filtering
unix

T
tmux: Terminal multiplexer
terminalunix

U
Underscore.js: Javscript toolset
javascriptweb-development