http://hyperstruct.net/projects/mozlabA set of tools and libraries for developers of AJAX and Mozilla applications, packaged as an extension.do flatlanders dream of n-dimensional shapes?
MozRepl and MozUnit (formerly bundled as MozLab) will hopefully make
your experience of developing AJAX and Mozilla applications suck less. They're
packaged as extensions for Firefox/Thunderbird/XULRunner and released
as open source. Have a look at
waiting for hand_moderationMozLabhyperstructFirefox Extensions