Appearance and Customization
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Full Address Column
Adds a full sender and recipient e-mail column to message list panel.
TileNote
Tile notes, I provide this web app. to Mozilla Thunderbird users.
This is a derivative of RainbowNote, 7 colorful week notes, with tile like shapes.
DontRestoreTabsRevival
This is a remake of the DontRestoreTabs extension. It is compatible with Thunderbird 88+. The code is based on the tabControl extension.
HERA - Hotel Email Reservation Assistant
HERA helps hotels to semi or fully automatically respond to emails by checking rates in your PMS / CRS
Message Header Toolbar Customize
You can change icon display and button order. You can also hide unnecessary buttons.
BrowseInTab
BrowseInTab lets you open and browse any link in a Thunderbird content tab. Links are followed within the tab and back/forward navigation is supported. Also with enhanced Zoom customization and a url bar.
Audio Preview
Adds a preview for audio files (wav, ..) to the message view, so it can be played directly.
MoreLayouts
Adds additional Wide Thread View and Stacked View to Thunderbird along with Reversed views. Plus configurable Fullscreen F11 and Message Pane F8 toggles. Also starring Vertical Tabs.
Close on Escape Too Requires Restart
Updated version of David Winter's Close Tab on Escape, ported to be compatible with Thunderbird 68 and later.
Folders for search, onDisk Status- Glodaquilla-NG:
Global Search/Indexing Enhancements/ On Disk Status for IMAP
Permits selective enabling and disabling of search indexing on folders or accounts - with inheritence. Extra columns can show whether a mail is stored on disk and its indexing status.
Flat Folder Tree Reborn Requires Restart
Flat Folder Tree Reborn is an update of the Flat Folder Tree add-on, which allows you to selectively promote or breakout sub-folders in the folder tree. Use with IMAP servers where some folders remain collapsed under a special namespace like [Gmail].
AttachmentCount
Adds a column to the Thunderbird message list to always display the true attachment count. An icon is shown for single attachments or all attachments deleted/detached. Tooltip preview of single attachment content and summary for multiple attachments.
Proton Calendar Toolbar Button
Adds a Proton Calendar button to the toolbar. The button simply opens a new tab with the https://calendar.proton.me webpage.
To create your own collections, you must have a Mozilla Add-ons account.