Advertisement
2 Pane Bookmarks
Provides separated "Bookmarks" Sidebar panel like Opera....
Firefox extension Bookmarks 2 Pane Bookmarks separated Sidebar pane
Maximize Message Pane
Maximize Message Pane is an extension that collapses thread pane....
Message Pane Button
A toolbar button for Message Pane...
No Message Pane Sort by Mouse
Prevents accidental resorting of the message pane by disabling mouse button clicks on the column headers...
Folder Pane View Switcher
Easily switch through folder pane views with this add-on for Mozilla Thunderbird...
MR Tech Toggle Preview Pane
This Thunderbird add-on adds a "Toggle Preview Pane" button...
Notary
Notary is an extension which adds a notes pane to the message view....
Resize Header
Easily resize the email header pane with this add-on for Mozilla Thunderbird...