Calendar and Date/Time


LCD Clock Requires Restart

displays a LCD Clock in your Toolbar

Rated 5 out of 5 stars (7)
1,002 users

StormCows Requires Restart

Allows two-way access between Remember The Milk and calendar events or todo items.

Rated 4 out of 5 stars (10)
359 users

Zonio Freebusy for Lightning Requires Restart

Finds when are people available for a meeting or event via Zonio Freebusy service. Displays freebusy blocks instantly in Invite Attendees window while attendees are being added. Works with both local calendar storage or any calendar provider.

Not yet rated
15 users

MiniWebView Sidebar Requires Restart

Sidebar that shows a single web page. This allows Thunderbird to be augmented with any user-supplied or third-party web page. The screenshot shows an example - I use my own custom web page to present my Google Calendar in my preferred format.

Rated 5 out of 5 stars (4)
67 users

Task Me (activity logger) Requires Restart

Activity logger (sampled task monitoring) which uses calendar to store user's activities.

It periodically displays window with textbox where user can put description of currently performed tasks. The description is saved in a calendar.

Rated 4 out of 5 stars (2)
74 users

OBM Connector Requires Restart

OBM Lightning Calendar and addressbooks connector

Not yet rated
890 users templates

Voegt de handige e-mail templates toe aan de knoppenbalk van Thunderbird om deelnemers aan uw conference call uit te nodigen.

Not yet rated
4 users

DM Sync Requires Restart

This plugin allows you to synchronize addressbooks and contacts stored on the DM mail server

Not yet rated
11 users

Durch das Plug-in werden unsere praktischen E-Mail-Vorlagen Ihrer Thunderbird-Symbolleiste hinzugefügt

Not yet rated
12 users

Macro Template

Macro Template is to replace mail templates with macros for date formatting.

Rated 5 out of 5 stars (1)
366 users templates

This plugin adds our savvy email templates to your Thunderbird toolbar.

Not yet rated
14 users

EDS Calendar Integration Requires Restart

Integrates calendars events with Gnome clock applet

Plugin may hang on Fedora.
As a workaround uninstall evolution-ews.

Rated 4 out of 5 stars (8)
424 users

MultiBirthdaysReminder Requires Restart

This addon is now integrated into the new address book CardBook and thus it is no longer maintained

Rated 5 out of 5 stars (6)
461 users

Date on Thunderbird Requires Restart

在thunderbird statusbar显示年月日

Rated 4 out of 5 stars (1)
25 users

Lightning Reminder Left Buttons Requires Restart

Tired to mistakenly press that "Dismiss All" button? Move the Lightining Reminder "Snooze all for" and "Dismiss All" buttons to the LEFT!
... and from version 2.0 you can keep them on the RIGHT, but swapped!

Rated 4 out of 5 stars (1)
940 users

Simple Week View Requires Restart

A simple week view for Lightning, as in the print layout.

Rated 3 out of 5 stars (3)
573 users

Montezooma Requires Restart

Montezooma is a Thunderbird Addon that adds zooming functionality to windows.

Rated 3 out of 5 stars (8)
804 users

NirvanaHQ Requires Restart

NirvanaHQ for Thunderbird

Not yet rated
9 users

Todo.txt Extension Requires Restart

Thunderbird extension for the Todo.txt application

Rated 4 out of 5 stars (5)
497 users

Copy Reminder List To Clipboard

Provides button to copy the list of current reminders to the clipboard.

Not yet rated
55 users