Add-ons
Top-Rated Extensions
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todowebapp
Adds browser action icon to toolbar to open To-Do. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/microsoft-to-do-button/
TexTra
Timestamp
Requires Restart
Inserts the current date/time into a message or an input field in the browser.
Visit my Timestamp site for recent versions and news.
eMarks
Requires Restart
Email Bookmarks are here ! ... eMark your important emails.
Do you have an email that will need to revisit/attend later on ? Would you like to keep it handy and get it with a simple click ? Bookmark your important emails with the eMarks addon.
Proton Mail - Quick Access
Quick Access to Proton Mail in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Open With
Open With can open your web links in any browser installed on your computer.
*Open With is no longer maintained.*
No Caption
Batch Copy
Requires Restart
Batch Copy creates a local copy of your IMAP account, copies all messages and maintains folder structure. Batch Copy can run incrementally to copy only new messages.
Teamworkx Thunderbird Integration for Jira
Requires Restart
This is a add-on for Thunderbird as well as Seamonkey which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.
Todo.txt
Folderpane Tools
Requires Restart
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
Viral Threat Level
Requires Restart
Adds an image to the status bar indicating the current threat level of the internet. It allows quick access to security information that you can use to help protect yourself, and links to antivirus software comparisons and security extensions.
Provider for Google Calendar
ThunderSec
Requires Restart
ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).
Birthday Reminder
Requires Restart
Birthday Reminder reminds of upcoming birthdays for all contacts in Thunderbird's address book. Supports Lightning, reminders and even Google Calendar :-)
ThunderSync
Requires Restart
Allows to synchronise Thunderbird's addressbook with external directories/files. Every contact is exported/compared with an external file. Right now, only vCard version 2.1 is supported as export file format.
Habu
Requires Restart
*This extension was formerly known as Okopipi*
Please be sure to visit the homepage and forums to provide your input for the future of Habu.
Support can be found at http://forums.mosinu.com/viewforum.php?f=5
Keyword Highlight
Requires Restart
Keywordhighlight changes color/size/weight of your favorite keywords...
To create your own collections, you must have a Mozilla Add-ons account.
