The first and only download manager/accelerator built inside Firefox!
ReminderFox Requires Restart Nabarmenduak
ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.
xSidebar Requires Restart Nabarmenduak
Firefox style sidebars for SeaMonkey...
Lightning Requires Restart Nabarmenduak
Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
FlashGot Mass Downloader Requires Restart Nabarmenduak
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
NewsFox Requires Restart Nabarmenduak
NewsFox is an efficient 3-pane(email) style Atom/RSS feed reader.