Thunderbird Email Client Important features Moreover, you can increase productivity with the Tabbed Email feature that loads emails in separate tabs synonymous with tabs in a web browser. You can add the RSS feed to Thunderbird and also use it as a Chat application. It is free, open-source with the ability to integrate various add-ons. Thunderbird is one of the best email client options available on all Linux operating systems developed by the Mozilla Foundation.
The article is a review of the best open-source email clients for Linux operating systems.
