A Qt-based IM client for Matrix
Publisher’s description
What is Quaternion?
Quaternion by quotient-im is open-source Windows software in the chat & messaging category. It ranks 42nd by popularity among chat & messaging in this catalogue. It is written in C++. Besides Windows, it is available for Linux.
Installation and requirements
The publisher provides Portable installers for Any CPU Windows. It runs without installation (portable).
Updates and version history
The current version is 0.0.97.1, released on March 21, 2025. The version history goes back to January 3, 2024: 3 releases, all linked to the official files. That is about 2.5 releases a year. The last update is more than a year old.
Popularity and file types
The Chocolatey package has been downloaded 2,441 times. The source code on GitHub (quotient-im/Quaternion) has 704 stars. Similar programs include Signal, Telegram Desktop and Slack.
Project description on GitHub: “A Qt-based IM client for Matrix”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Also runs on Linux
Cons
- No update for more than a year
In short: Quaternion is an open-source chat & messaging tool for Any CPU PCs. Updates have slowed down.
Is Quaternion safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
7525DDA8363638BFB29533CE86C132B2B9EE8A353309F955FEA8CCE31077CD1D· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 3 versions ›3 versions over 1 year · about 2.5 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 0.0.97.1Latest | March 21, 2025 | — | Any CPU ZIP |
| 0.0.97 | February 11, 2025 | — | Any CPU ZIP |
| 0.0.95.1 | January 3, 2024 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id quotient-im.Quaternion -echoco install quaternion -yRelated guide: How to use winget: install and update apps
Also for other systems
flatpak install flathub io.github.quotient_im.QuaternionInformation
- Publisher
- quotient-im
- Category
- Chat & messaging
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/quotient-im/Quaternion
- Written in
- C++
- Content rating
- 15+
- Requires
- Windows 11 / 10
- Architecture
- Any CPU
- Installer
- Portable
- Other platforms
- Linux
- Version
- 0.0.97.1
- Released
- March 21, 2025
- Added to the catalogue
- January 3, 2024
- Versions listed
- 3
- Updates / year
- 2.5
- Chocolatey downloads
- 2,441
- GitHub stars
- 704
- GitHub forks
- 116
- Website
- github.com
- winget ID
- quotient-im.Quaternion
- Chocolatey package
- quaternion
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to Quaternion
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Frequently asked questions
Is Quaternion free?
Yes. Quaternion is open-source software under the GPL-3.0 licence.
Is Quaternion safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Quaternion with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does Quaternion run on ARM (Windows on Arm)?
The installer is architecture-neutral.
Where can I download an older version of Quaternion?
The versions page lists all 3 versions with links to their official installer files, back to January 3, 2024.
Can I use Quaternion without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to Quaternion?
Signal, Telegram Desktop, Slack, Discord and Rocket.Chat. The alternatives page compares them.