A Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.More Downloads:
Popomungo 2.6.1
NHL's Gopher State Wild - Official Field game Boom! 1.0
FoxSaver 2.2.7.2
TidyRead 0.4.0
Speed Operate 0.9.1.1
XSS Me 0.4.1
Slip in Textarea 0.7
Eon Elephantine 3.5
Omnibar 0.6.0.20090913
FirePython 0.4
Tagi: firebug, firefox, reference material