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Meron vs Convey: catalog facts
Meron	Convey
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source under the LGPL 2.1 or later.
Windows, macOS, Linux, Android, iOS	Linux
Kanban board view for organising mail Chat-style threads in a unified inbox	Conversation-centred view of email Made for the GNOME desktop
Conversation-style layout differs from traditional mail clients Newer project with a smaller user base	Very new project, started in 2026 Feature set is not documented in detail
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-or-later	License: LGPL-2.1-or-later
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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