1)   Thunderbird-Tray 1.2
Thunderbird-Tray is a system tray launcher tool for Mozilla Thunderbird, the popular e-mail client. You can use TB-Tray to hide Thunderbird to the tray while you don't need it.
Thunderbird-Tray, TB-Tray, TBTray, Thunderbird, Tray, Mozilla, mail, e-mail, minimize, client,