rticle gives suggestions on how to set up your Mozilla application for extension development. Unless otherwise specified, those suggestions apply to both Firefox and Thunderbird as well as SeaMonkey version 2.0 and above.
Tricks, tips and tools to help you get things done on the web. Lifehacker is full of application reviews, news and 'lifehacks' designed to help you be more productive in work and life.
Firefox Extension, simple tool that allows you to highlight all instances (within a webpage) of a word, several words, or a phrase that you currently have selected. Right click anywhere on the page and choose "Clear Highlighting" to reset the page.