FlashGot Mass Downloader
Provider for Google Calendar
Element Hiding Helper for Adblock Plus
User Agent Switcher
NewsFox is an efficient 3-pane(email) style Atom/RSS feed reader.
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.
Firefox style sidebars for SeaMonkey...
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
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.
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.