Thunderbird 115 Supernova Review & Alternatives (2026 Guide)
Make Email Easier
Thunderbird is a free and open source email, newsfeed, chat, and calendaring client, that’s easy to set up and customize. Thunderbird 115 Supernova features an updated user interface, designed to be more modern, customizable, built for easier maintainance.
Thunderbird 115 Supernova in action
Thunderbird 115 Supernova user ratings
Based on 5 reviews
Recent user highlights
Thunderbird meets all my expectations, and its design evolution is a success. A big thank you to the team behind this software, Thunderbird is back on track!
Dated. Hammers my PC's performance. Filtering is a pain in the ass.
A significant improvement!
Top Thunderbird 115 Supernova Alternatives (2026)
Looking for a Thunderbird 115 Supernova alternative? Here are the most-compared options people consider.
Outlook for Mac
Now free for email, calendars, contacts, and more
Outlook helps you stay connected and organized at the office and at home. It brings the best of Microsoft 365 together —…
Spark
All in one email solution.
Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for T…