Calendar and Date/Time

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NirvanaHQ Requires Restart

NirvanaHQ for Thunderbird

Not yet rated
11 users
Added May 16, 2015

Simple Week View Requires Restart

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

Rated 3 out of 5 stars (4)
111 users
Added Feb. 9, 2015

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)
1,079 users
Added Jan. 30, 2015

Date on Thunderbird Requires Restart

在thunderbird statusbar显示年月日

Rated 4 out of 5 stars (1)
2 users
Added Aug. 27, 2014

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This addon is now integrated into the new address book CardBook and thus it is no longer maintained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)
64 users
Added Aug. 5, 2014

EDS Calendar Integration Requires Restart

Integrates calendars events with Gnome clock applet

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

Rated 4 out of 5 stars (11)
705 users
Added May 6, 2014

Macro Template

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

Rated 5 out of 5 stars (2)
89 users
Added Oct. 15, 2013

DM Sync Requires Restart

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

Not yet rated
0 users
Added Sept. 19, 2013

OBM Connector Requires Restart

OBM Lightning Calendar and addressbooks connector

Not yet rated
663 users
Added Sept. 12, 2013

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.

Not yet rated
4 users
Added May 27, 2013

StormCows Requires Restart

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

Rated 4 out of 5 stars (10)
38 users
Added May 9, 2013

SanRockstar Requires Restart

Music

Rated 5 out of 5 stars (3)
4 users
Added May 8, 2013

Reply Monitor Requires Restart

**This is NOT COMPATIBLE with Thunderbird 31 or newer versions**
Keep track of your emails and replies (Lightning is required).
Note: the name of this add-on has been changed to Reply Monitor because the previous name is a registered trademark.

Rated 4 out of 5 stars (19)
184 users
Added Dec. 24, 2012

Lightning Calendar Tabs Requires Restart

Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.

Rated 4 out of 5 stars (13)
23,749 users
Added July 29, 2012

NoiaButtons [Tb45-58] (discontinued)

The 'NoiaButtons' add-on offers cartoonish toolbar button icons (known from Noia themes) for default theme and lightweight themes. Further more lite silver and dark versions of Noia themes are included.

Rated 5 out of 5 stars (23)
547 users
Added Dec. 2, 2011

Purge Events Plus Requires Restart

Purge events from Sunbird and Lightning files and thereby cleanes the calendar

Rated 4 out of 5 stars (6)
393 users
Added July 17, 2011

Montezooma Requires Restart

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

Rated 4 out of 5 stars (6)
159 users
Added Oct. 23, 2010

Send Later Requires Restart

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (139)
68,964 users
Added July 9, 2010

More Snooze Requires Restart

This add allow to customize the snooze delay when snooze popup appears (lightning required).

Rated 5 out of 5 stars (5)
816 users
Added May 10, 2010

G-Hub Lite Requires Restart

Add Google Tabs to Thunderbird! Google services supported by G-Hub Lite: Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need G Suite / Google Apps? Check out G-Hub Pro: https://www.schiffner.com/index.php/software/g-hub-pro

Rated 4 out of 5 stars (14)
5,882 users
Added Jan. 13, 2010