These are the add-ons that I use, approve and wholly appreciate for making things easier and more fun. Great for research, project management and other artistic and mojo endeavors
Display all Google services as buttons or as a space-saving dropdown menu next to your address bar. Reach services like Gmail, Google reader, Google maps, Google calendar, and many more in a single click from your browser.
List-it is a fast, simple, 100% Free+Open Source (MIT License) note-taking tool for Firefox. Designed by a research group at MIT, List-it lets you quickly take short notes to yourself + quickly access them whenever and wherever you need em.