Deltachat Desktop
Deltachat Desktop is a free, open-source chat app for Windows, macOS and Linux. Decentralized private messenger with chat-shared tools and games for Desktop. It has 1,621 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at deltachat/deltachat-desktop.
- Official
- Linux
- macOS
- Windows
- Chat & communication
- Actively maintained
About Deltachat Desktop
There is a third, WIP edition based on Tauri instead of Electron. It lives in its own repository — deltachat-tauri — and consumes this repository's frontend through a pinned upstream/ submodule. See Fediverse Thread and Delta Tauri - nlnet project.
Install Deltachat Desktop
Package names found in the project's README. Each links to its package page so you can check the publisher first.
flatpak install flathub chat.delta.desktopbrew install --cask deltachatAUR (Arch Linux)
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What is Deltachat Desktop?
Deltachat Desktop is a free, open-source chat app for Windows, macOS and Linux. Decentralized private messenger with chat-shared tools and games for Desktop. It has 1,621 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at deltachat/deltachat-desktop.
Is Deltachat Desktop free and open source?
Yes. Deltachat Desktop's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Deltachat Desktop?
Flathub: flatpak install flathub chat.delta.desktop, Homebrew: brew install --cask deltachat and the AUR package deltachat-desktop-git. The commands are on this page. Installers are also on its GitHub Releases page (latest: v2.62.0).
Is Deltachat Desktop still maintained?
The repository's most recent commit was on Oct 3, 2026. appsgit only lists apps whose repository had a commit in the last six months.