Thunderbird Add-ons? Here's Some Great Ones!
by Ken Saunders
About this Collection
Thunderbird add-ons that I've either used for years, or tested and highly suggest.
55 Add-ons in this Collection
The main goal allows users to open (and in some cases edit) page source with external applications.
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
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.
Maximize message pane by collapsing the thread pane. You can read a message in larger area without opening a new message window...
Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview
This add allow to customize the snooze delay when snooze popup appears (lightning required).
Allows other extensions to create new account types. This extension (sometimes called SkinkGlue) should not normally be downloaded directly by users, but instead is included in bundles with other extensions, such as the extension TweeQuilla.
Sort and search for buttons in (any) toolbar customization dialog
Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.
Zoom in, zoom out, and reset zoom with one toolbar button. Works in the Compose window too.
Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.