Calendar and Date/Time
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.
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.
Let's show the calendar color on Lightning reminders!
Copy Reminder List To Clipboard No Restart
Provides button to copy the list of current reminders to the clipboard.
Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.
NirvanaHQ for Thunderbird
A simple week view for Lightning, as in the print layout.
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!
Manage All Birthdays
Thanks to :
All donators for their very important support ;
All contributors with their remarks and translations ;
Sebastian Apel : this pluggin was inspired by its brilliant pluggin : Birthday Reminder
Integrates calendars events with Gnome clock applet
Plugin may hang on Fedora.
As a workaround uninstall evolution-ews.
Macro Template No Restart
Macro Template is to replace mail templates with macros for date formatting.
This plugin allows you to synchronize addressbooks and contacts stored on the DM mail server
OBM Lightning Calendar and addressbooks connector
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.
Allows two-way access between Remember The Milk and calendar events or todo items.
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.
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.
NoiaButtons No Restart
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.