10 must-have Thunderbird Addons ( 25 more) » MakeUseOf.comThunderbird lives on. This desktop email client thrives because of its many customization options. These must-have Thunderbird addons will help you make the most of it. Thunderbird continues to rule its space among desktop-based email clients. The interface has evolved and offers you a range of customization options. When Mozilla migrated from XUL and XPCOM extension system to WebExtension, it was
