Compare software

Meron vs Betterbird: catalog facts
Meron	Betterbird
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source, funded by donations.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux
Kanban board view for organising mail Chat-style threads in a unified inbox	Fixes and features Thunderbird has not shipped, listed openly in a comparison table Installs next to Thunderbird and runs on the same profile, so switching back is trivial
Conversation-style layout differs from traditional mail clients Newer project with a smaller user base	A small volunteer project riding on someone else’s release train The Mac build ships in English only and needs a language pack for anything else
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-or-later	License: MPL-2.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.