Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

Meet Thunderbird Thunderbird is a free and open-source software project founded in 2003 to make communicating and collaborating better. We are supported by the talent and generosity of thousands …

Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

Mar 4, 2025 · Do you want new features in Thunderbird sooner? Learn how to switch from annual to monthly updates with the Release channel.

May 15, 2025 · Here is an update of what Thunderbird’s mobile community has been up to in April 2025. With a new team member, we’re getting Thunderbird for iOS out in the open and continuing to work …

Apr 4, 2025 · Announcing a new Thunderbird email service called Thundermail as part of the Thunderbird Pro suite of additional services.

Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

Aug 19, 2025 · Our team is hard at work on Thunderbird Pro. Get the latest developments on Thundermail, Appointment, and Send in our latest update.

Starting in March 2025, the Thunderbird Desktop Release Channel will become the default download, and introduce updates on a monthly cadence.