Quaternion is a cross-platform Qt5-based desktop IM client for Matrix.
Quaternion is packaged for many distributions, including various versions of Debian, Ubuntu and OpenSUSE, as well as Arch Linux, NixOS and FreeBSD
This is free and open source software.
- Room tag showing.
- Room tag editing.
- Room user list.
- Display room description.
- Edit room description.
- Send read markers.
- Sending invites.
- Accepting invites.
- Typing notification.
- Attachment uploading and downloading.
- Display formatted messages.
- Room upgrades.
- SSO support.
- Cross-platform support – runs under Linux, macOS, and Windows.
Developer: Alexey Rusakov and contributors
License: GNU General Public License v3.0
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