Agenda en datum/tijd



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

Waardering 5 van 5 sterren (155)
74.562 gebruikers

Send Later

Echte functionaliteit voor ‘Later verzenden’ om het verzendtijdstip van een e-mailbericht te plannen.

Waardering 5 van 5 sterren (226)
64.303 gebruikers

Provider for CalDAV & CardDAV

This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, ownCloud, Nextcloud, Radicale and many more.

Waardering 5 van 5 sterren (37)
47.778 gebruikers

Provider for Exchange ActiveSync

Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync

Waardering 5 van 5 sterren (22)
28.650 gebruikers

Open Google Calendar

Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)

Waardering 4 van 5 sterren (61)
28.036 gebruikers

Lightning Calendar Tabs

Zobrazí záložky, pomocí kterých je možné rychle přepínat aktuální období v kalendáři Lightning. Všechny pohledy kalendáře jsou podporovány. Je možné upravit barvu textů záložek.

Waardering 4 van 5 sterren (15)
24.275 gebruikers

Google Calendar Tab

Adds a button to open Google Calendar in a new Tab

Waardering 4 van 5 sterren (11)
9.136 gebruikers

G-Hub Lite

Add Google Tabs to Thunderbird! Services supported by G-Hub Lite: Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need G Suite / Google Apps support? Check out G-Hub Pro:

Waardering 4 van 5 sterren (17)
6.156 gebruikers

ReminderFox Vereist herstart

ReminderFox zeigt und verwaltet Listen von Erinnerungen und Aufgaben. ReminderFox nutzt einfach zu verwendende Listen mit Warnungen/Alarmen, um Sie an alle Ihre wichtigen Termine zu erinnern.
Reminderfox synchronisiert auch mit anderen Kalendern

Waardering 4 van 5 sterren (549)
2.337 gebruikers

Birthday Calendar

Adds calendars containing the birthdays from your address books.

Waardering 5 van 5 sterren (13)
1.858 gebruikers


GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.

Waardering 5 van 5 sterren (6)
1.120 gebruikers

Lightning Colors Reminder Vereist herstart

Let's show the calendar color on Lightning reminders!

Waardering 4 van 5 sterren (4)
830 gebruikers


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

Waardering 5 van 5 sterren (2)
712 gebruikers


Follow up for Thunderbird E-Mails. Lightning or other AddOns are not required. Set a reminder by adding a label or by context menu and let mailmindr remind you.

More information on updates and planned features at

Waardering 4 van 5 sterren (54)
481 gebruikers

Lightning Invitation Notifier Vereist herstart

This extension is an extension to Mozilla Lightning for Thunderbird.
It shows a toast message and opens the invitations window when an invitation arrives.

Waardering 4 van 5 sterren (2)
448 gebruikers

M-Hub Lite

Add Microsoft Office 365 Tabs to Thunderbird! Services supported by M-Hub Lite: Calendar, People, OneDrive, Word, Excel, PowerPoint, & Bing. Need business or enterprise support? Get M-Hub Pro:

Waardering 3 van 5 sterren (2)
401 gebruikers

G Suite in tab

Now you can open G Suite App in Thunderbird tabs. (Calendar, Contacts, Keep, Task and Drive)

Waardering 5 van 5 sterren (1)
375 gebruikers

OBM Connector Vereist herstart

OBM Lightning Calendar and addressbooks connector

Nog niet gewaardeerd
343 gebruikers

Gantt View Vereist herstart

Gantt Chart view for Sunbird/Lightning

Waardering 4 van 5 sterren (35)
283 gebruikers

EDS Calendar Integration Vereist herstart

Integrates calendars events with Gnome clock applet

Waardering 4 van 5 sterren (13)
182 gebruikers