Agenda en datum/tijd


Later Verzenden Vereist herstart

“Later Verzenden”-functie om het tijdstip van verzending van een email in te stellen.

Waardering 5 van 5 sterren (112)
70.410 gebruikers

NoiaButtons [Fx45-56][Tb45-58]

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.

Waardering 5 van 5 sterren (21)
11.858 gebruikers

Show Calendar Week Vereist herstart

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

Waardering 5 van 5 sterren (6)
650 gebruikers

LCD Clock Vereist herstart

displays a LCD Clock in your Toolbar

Waardering 4 van 5 sterren (23)
2.018 gebruikers

TbSync (Provider for Exchange ActiveSync) Vereist herstart

Synchronize Exchange ActiveSync accounts (contacts, tasks and calendars) to Thunderbird, supports Office 365,, Freenet, Strato, Hotmail, Kopano and other EAS compatible servers.

Waardering 4 van 5 sterren (18)
3.937 gebruikers

MultiBirthdaysReminder Vereist herstart

This addon is now integrated into the new address book CardBook and thus it is no longer maintained

Waardering 5 van 5 sterren (6)
331 gebruikers

G-Hub Lite Vereist herstart

Add Google Tabs to Thunderbird! Services supported: Voice, Calendar, Drive, Docs, Sheets, Slides, Hangouts, Plus, Photos, Contacts, News, Maps, & many more. Need Google Apps? Check out G-Hub Pro:

Waardering 5 van 5 sterren (7)
5.153 gebruikers

EDS Calendar Integration Vereist herstart

Integrates calendars events with Gnome clock applet

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

Waardering 4 van 5 sterren (10)
571 gebruikers

More Snooze Vereist herstart

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

Waardering 5 van 5 sterren (5)
945 gebruikers

SanRockstar Vereist herstart


Waardering 5 van 5 sterren (3)
15 gebruikers

Todo.txt Extension Vereist herstart

Thunderbird extension for the Todo.txt application

Waardering 5 van 5 sterren (6)
396 gebruikers

Lightning Calendar Tabs Vereist herstart

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 (10)
26.644 gebruikers

Reply Monitor Vereist herstart

**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.

Waardering 4 van 5 sterren (17)
853 gebruikers

StormCows Vereist herstart

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

Waardering 4 van 5 sterren (10)
181 gebruikers

Macro Template

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

Waardering 5 van 5 sterren (2)
326 gebruikers

Lightning Vereist herstart

Organiseer uw planning en belangrijke zaken in een agenda die volledig met uw Thunderbird-e-mail is geïntegreerd. Beheer meerdere agenda’s, maak uw dagelijkse todolijst, nodig vrienden uit voor evenementen en abonneer u op openbare agenda’s.

Waardering 3 van 5 sterren (1.847)
6.781.902 gebruikers

Montezooma Vereist herstart

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

Waardering 4 van 5 sterren (6)
672 gebruikers

Purge Events Plus Vereist herstart

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

Waardering 4 van 5 sterren (6)
552 gebruikers

Task Me (activity logger) Vereist herstart

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.

Waardering 4 van 5 sterren (4)
87 gebruikers

Lightning Colors Reminder Vereist herstart

Let's show the calendar color on Lightning reminders!

Waardering 4 van 5 sterren (3)
5.702 gebruikers