Calendar and Date/Time

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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.

Rated 3 out of 5 stars (1,961)
15,304 weekly downloads

Send Later Requires Restart

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

Rated 5 out of 5 stars (140)
2,002 weekly downloads

TbSync

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Rated 5 out of 5 stars (51)
1,158 weekly downloads

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)
597 weekly downloads

Lightning Colors Reminder Requires Restart

Let's show the calendar color on Lightning reminders!

Rated 4 out of 5 stars (3)
349 weekly downloads

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)
242 weekly downloads

lightningWeather Requires Restart

LightningWeather shows the weather forecast in the background of the calendar so you can easily coordinate your activities with the weather.

Rated 3 out of 5 stars (11)
208 weekly downloads

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)
193 weekly downloads

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.

Rated 4 out of 5 stars (2)
166 weekly downloads

Todo.txt Requires Restart

Thunderbird extension for the Todo.txt application

Rated 4 out of 5 stars (8)
142 weekly downloads

AdvancedTasks Requires Restart

Thunderbirds Lightning Extension: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.

Rated 5 out of 5 stars (3)
128 weekly downloads

ConferenceCall.co.uk templates

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

Not yet rated
109 weekly downloads

Gantt View Requires Restart

Gantt Chart view for Sunbird/Lightning

Rated 4 out of 5 stars (31)
105 weekly downloads

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)
99 weekly downloads

LCD Clock Requires Restart

displays a LCD Clock in your Toolbar

Rated 4 out of 5 stars (25)
91 weekly downloads

Telefonkonferenz.de-Vorlagen

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

Not yet rated
84 weekly downloads

ConferenceCall.nl 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
69 weekly downloads

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)
68 weekly downloads

Show Calendar Week Requires Restart

Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.

Rated 5 out of 5 stars (6)
57 weekly downloads

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 [email protected]

Rated 5 out of 5 stars (1)
47 weekly downloads