Calendar and Date/Time
AdvancedTasks Requires Restart
Thunderbirds Lightning Extension: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.
This plugin adds our savvy email templates to your Thunderbird toolbar.
Voegt de handige e-mail templates toe aan de knoppenbalk van Thunderbird om deelnemers aan uw conference call uit te nodigen.
Provides button to copy the list of current reminders to the clipboard.
Date on Thunderbird Requires Restart
DM Sync Requires Restart
This plugin allows you to synchronize addressbooks and contacts stored on the DM mail server
EDS Calendar Integration Requires Restart
Integrates calendars events with Gnome clock applet
Plugin may hang on Fedora.
As a workaround uninstall evolution-ews.
Events spanning multiple days Requires Restart
Displays multiple day events as a "spanning" event, without borders of the day-elements inside the month- and multiweek-view.
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
Gantt View Requires Restart
Gantt Chart view for Sunbird/Lightning
Jalali Date Format Requires Restart
Convert Date/Received column to Jalali (Persian Date).
* Adds a column in the mail view for displaying Iranian dates for each email.
* Supports both English and Persian Iranian Date.
more info contact N3tD3vil@Yahoo.com
LCD Clock Requires Restart
displays a LCD Clock in your Toolbar
Lightning Requires Restart
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.
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.
Lightning Colors Reminder Requires Restart
Let's show the calendar color on Lightning reminders!
Lightning Invitation Notifier Requires Restart
This extension is an extension to Mozilla Lightning for Thunderbird.
It shows a toast message and opens the invitations window when an invitation arrives.
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!
lightningWeather Requires Restart
LightningWeather shows the weather forecast in the background of the calendar so you can easily coordinate your activities with the weather.
Macro Template is to replace mail templates with macros for date formatting.
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.