Thunderbird Extensions used by Mark Simonds

by Mark Simonds

6 Add-ons in this Collection

Lightning by Mozilla Calendar Project

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.

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 964 reviews

297,199 users

Allows bidirectional access to Google Calendar

Google Contacts by H.Ogi

Rated 4 out of 5 stars 239 reviews

102,661 users

Access to Google contacts and synchronize them with Thunderbird address books.

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 270 reviews

38,087 users

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Addressbooks Synchronizer by Guenter Gersdorf

Rated 4 out of 5 stars 56 reviews

33,476 users

Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 89 reviews

23,867 users

Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.

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