Adds some tools to import and export folders and messages
Allows bidirectional access to Google Calendar
SQLite Manager 需要重开
Manage any SQLite database on your computer.
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Minimizes windows into the system tray.
Element Hiding Helper 是 Adblock Plus 的一个辅助扩展, 可以让用户能更加简便的隐藏页面元素以去除文本广告.
Mail Redirect 需要重开
UnMHT 可以让你查看MHT(MHTML)文件,保存整个网页为一个 MHT 文件,包括文本和图像.
如果你喜欢完全掌控下载项的各个方面，Download Status Bar 就是你要找的扩展。
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.
It adds some options to launch easily other profiles and the Profile Manager.
Display Quota 需要重开
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...
Adds some options to print messages and addressbooks
Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...
Calendar Tweaks 需要重开
Allows several tweaks to the Thunderbird/Lightning calendar user interface including new selection styles and repeating event icons. Mimics the colors and styles found in MS Outlook.
Google Calendar Tab 需要重开
Adds the Google Calendar web interface as a new tab directly into Thunderbird. Creating and viewing events works just as it would in a browser like Firefox
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.