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Matrix client for Sailfish OS

Join for discussions and feedback.

What's working?

  • Read plain text/Markdown/HTML/image messages
  • Send plain text messages

What's missing?

  • Read video/audio/file/... messages
  • Delete or edit own messages
  • Send Markdown/HTML/image/video/audio/file/... messages
  • Create new room
  • Join room
  • Manage room members (Invite, kick, block, ...)
  • Manage room settings
  • Manage user profile
  • E2EE


Use GitHub for issues and pull requests.

Use Transifex to add translations for your language.


Qt 5.6 port of libQuotient is used to connect to matrix.

twemoji is used for colored emojis.


Application versions: 
File harbour-determinant-0.3.0-2.armv7hl.rpm1.72 MB18/04/2021 - 13:36
File harbour-determinant-0.3.0-2.i486.rpm1.81 MB18/04/2021 - 13:36
File harbour-determinant-0.3.0-2.aarch64.rpm1.75 MB18/04/2021 - 13:36
File harbour-determinant-0.2.0-1.armv7hl.rpm393.91 KB19/01/2021 - 00:52
File harbour-determinant-0.2.0-1.i486.rpm485.98 KB19/01/2021 - 00:52
File harbour-determinant-0.1.0-1.armv7hl.rpm448.38 KB15/09/2020 - 00:49
File harbour-determinant-0.1.0-1.i486.rpm535.07 KB14/09/2020 - 20:22

* Sun Apr 18 2021 Richard Liebscher <> 0.3.0-2
- Fix: Colored emojis are missing (#29)

* Sat Apr 17 2021 Richard Liebscher <> 0.3.0-1
- Use colored emojis through twemoji
- Added image preview and image viewer
- Added possibility to copy message text to clipboard
- Do not show left rooms
- Upgraded libQuotient to 0.6.6
- Fix: Show local date time instead of UTC
- Fix: Update date overlay when new content arrived
- Added translations: Swedish, Estonian

* Sun Jan 17 2021 Richard Liebscher <> 0.2.0-1
- Notifications are shown for missed messages
- Improved login page
- Emojis messages get a bigger font size
- Upgraded libQuotient to 0.6.4
- Added translations: Spanish, German

* Sun Sep 13 2020 Richard Liebscher <> 0.1.0-1
- First release


uddghsjauszg's picture

Do you plan to add encryption in the future?

R1tschY's picture

There will be no development in the near future

delocoyo's picture

More matrix apps, yeeeeexxzxxx. Thanks for it and keeo the great job

as400's picture

Great !!! Thanks for your work. Finally native matrix client.

Juanro49's picture

Great app but... You can implement a message when password is incorrect? I thought that app can't loguin hahaha

bc77's picture

It works with my own synapse based server for text messages. Great! Thank you!

glanternier's picture

Great! Thanks :-) It works but there is no option to implement a shared key so encrypted messages can be read on multiple devices.

kaulian's picture

Can you build an arm package ?


R1tschY's picture

Sorry, at first upload failed. Now it worked. Have fun with it ;)

kaulian's picture

Only text support but its fast