Mozilla is turning its Thunderbird open source email client into a full communications platform with the launch of Thundermail and Thunderbird Pro.

Thunderbird’s developers are planning to compete with Gmail and other email providers by offering paid “pro” tier services, ...

Thunderbird, Firefox maker Mozilla's open-source email client ... gravitational pull of commercial services including Google's Gmail and Microsoft Office 365, which have been peeling off ...

Mozilla recently revealed plans for a new service ... old Thunderbird email client -- will be an email service similar to Gmail that can be used within Thunderbird and on the web.

Mozilla is expanding its Thunderbird email client into a full-fledged communications platform, launching Thundermail and Thunderbird Pro to compete directly with Gmail by Alphabet Inc.'s GOOG ...