Mentat – group chat with tags and pretty good privacy

In plain words

Mentat is a group chat application that organizes conversations using tags and emphasizes privacy protection. It's designed for users who want to communicate in groups while maintaining control over their data. The service launched in 2018 and is available as open-source software on GitHub, making its code publicly accessible for review and modification by developers.

written from the facts on this page · September 2026

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