
Cinny
Cinny is a free Matrix client for instant messaging, available on the web and as desktop installers for Windows, macOS and Linux.
What Cinny is
Cinny is a free Matrix client for instant messaging, available on the web and as desktop installers for Windows, macOS and Linux. Its interface separates direct messages from channels to make navigation easier, and the site describes the interface as protected by end-to-end encryption. Cinny is built on Matrix, which the site describes as an open network for decentralized communication. The web app at app.cinny.in is updated with each new release. Users can also self-host by serving the release tarball’s dist files or using a Docker image from Docker Hub or GitHub Container Registry. Self-hosted setups can configure default homeservers and explore pages. Cinny’s source code is open under the AGPL-3.0-only license. Desktop releases are signed with an Ed25519 public key, and instructions are available for verifying release files. The project links to a Matrix community and accepts contributions through Open Collective, GitHub Sponsors and Liberapay. Its repository says it is replacing matrix-js-sdk with its own SDK and is not accepting pull requests until further notice.
Good
- Available on web, Windows, macOS and Linux.
- Separates direct messages from channels.
- Self-hosted setups can configure homeservers and explore pages.
- Desktop releases are signed, with verification instructions.
- Source code is available under AGPL-3.0-only.
Watch out
- No free trial is listed.
- Repository is not accepting pull requests until further notice.
Who it suits
Cinny suits people looking for a free Matrix messaging client across desktop and web, including users who want to self-host. Its open-source code may also appeal to people who want to inspect or modify the software.
Verdict
Cinny offers a free Matrix client with desktop, web and self-hosting options. The repository’s paused pull-request intake is relevant for prospective contributors.
Plans and prices
From Cinny's own pricing page, checked 4 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Cinny | Free | Open-source Matrix client |
The facts
Each one read from Cinny's own pages, with the date it was checked.
Where it runs
- Desktop platforms
- Desktop installers are listed for Windows, macOS, and Linux.checked 4 Oct 2026
- Web app
- The web app is available at app.cinny.in and is updated on each new release.checked 4 Oct 2026
What it does
- Desktop signing
- The desktop repository says releases are signed with an Ed25519 public key and provides instructions for verifying release files.checked 4 Oct 2026
- Development status
- The repository says it is replacing matrix-js-sdk with its own SDK and is not accepting pull requests until further notice.checked 4 Oct 2026
- Encryption
- Cinny’s site describes its interface as protected by end-to-end encryption.checked 4 Oct 2026
- Integration
- Cinny is built on Matrix and allows configuration of default homeservers and explore pages when self-hosted.checked 4 Oct 2026
- Interface
- The site describes an uncluttered interface that adapts to user actions and uses common design patterns.checked 4 Oct 2026
- License
- Cinny is licensed under the GNU Affero General Public License version 3, AGPL-3.0-only.checked 4 Oct 2026
- Matrix network
- Cinny is built on Matrix, which the site describes as an open network for secure, decentralized communication.checked 4 Oct 2026
- Open source
- Cinny’s source code is open for people to enhance, modify, and inspect.checked 4 Oct 2026
- Organization
- Cinny separates direct messages from channels to make navigation easier.checked 4 Oct 2026
- Product
- Cinny is a Matrix client focused on a simple, elegant, and secure interface for instant messaging.checked 4 Oct 2026
- Self-hosting
- Users can self-host by serving the release tarball’s dist files or using the Docker image from Docker Hub or GitHub Container Registry.checked 4 Oct 2026
- Support and community
- The site links to the Cinny Matrix community at #cinny:matrix.org and offers financial contributions through Open Collective, GitHub Sponsors, and Liberapay.checked 4 Oct 2026
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