Add-ons
Most Popular All »
- 1. Lightning 6,168,680 users
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Featured Extensions See all »
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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.6,168,680 users -
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.35,610 users -
The first and only download manager/accelerator built inside Firefox!579,239 users
Up & Coming Extensions See all »
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Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co34,212 users -
Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.1,809 users -
A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)
As of version 2016.2, Custom keys (using custom JavaScript) work again!6,460 users -
When you press the middle mouse button or scroll wheel mouse show popup window the history in the url bar and search bar.20 users
Featured Collections See all »
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Featured Add-ons for Seamonkey
None
15 add-ons · 134 followers
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