list-it: take notes quickly! (listit, list.it) 0.5.0.2.1-signed
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.
This add-on is not compatible with your version of Firefox because of the following: