Delta Chat
Decentralized private messenger with chat-shared tools and games Source
Description
Delta Chat is a reliable decentralized instant messenger that is easy and fun to use for friends, family, groups and organizations. Delta Chat is developed by a dedicated FOSS contributor community that jointly releases refinements and new features several times a year, across many stores and platforms world-wide.
Features at a glance:
- 🌐 Anonymous. Instant onboarding without a phone number, e-mail or other private data.
- 📱 Flexible. Supports multiple chat profiles and is easy to setup on multiple devices.
- 🧩 Extensible. Add tools like shopping lists, calendars or gaming apps to any chat.
- 🌧️ Reliable. Works under bad and adversarial network conditions.
- 🛡️ Secure. Audited End-to-End encryption safe against network and server attacks.
- 🏠 Sovereign. Can be run with your own e-mail address or server.
- 📜 FOSS. Fully Open Source/Free Software, built on Internet Standards.
Notice
If you have redraw issues, follow the instructions in this comment.
- https://raw.githubusercontent.com/deltachat/interface/d29d6199215bc13fe63b20b36b4f59dc6f54c449/screenshots/2024/desktop/linux/1.46_create_chatmail_profile.png
- https://raw.githubusercontent.com/deltachat/interface/d29d6199215bc13fe63b20b36b4f59dc6f54c449/screenshots/2024/desktop/linux/1.46_darkmode_beach_bg.png
- https://raw.githubusercontent.com/deltachat/interface/d29d6199215bc13fe63b20b36b4f59dc6f54c449/screenshots/2024/desktop/linux/1.46_darkmode_default_bg.png
- https://raw.githubusercontent.com/deltachat/interface/d29d6199215bc13fe63b20b36b4f59dc6f54c449/screenshots/2024/desktop/linux/1.46_light_mode_beach_bg.png
- https://raw.githubusercontent.com/deltachat/interface/d29d6199215bc13fe63b20b36b4f59dc6f54c449/screenshots/2024/desktop/linux/1.46_login_with_email.png
- https://raw.githubusercontent.com/deltachat/interface/d29d6199215bc13fe63b20b36b4f59dc6f54c449/screenshots/2024/desktop/linux/1.46_small_screen_mode_chat.png
- https://raw.githubusercontent.com/deltachat/interface/d29d6199215bc13fe63b20b36b4f59dc6f54c449/screenshots/2024/desktop/linux/1.46_small_screen_mode_chat_list.png
Rating
Mobile Fit: 5Perfect - this app fits your phone screen just fine out of the box and works nicely with touch input!
Project status: released
This project has been developed so far, that its authors felt confident enough to create a release.
The project repository was created on 2018-08-20.
The last known commit happened on 2025-07-26.
Please note: This information is not updated continuously. This particular listing was last updated on 2025-07-26
Packaging
Is this app packaged for my distribution?
green: current and packaged,
red: packaged, but not current, ratings and other details may not apply.
Powered by Repology
Get it on Flathub!
Install as flatpak: https://flathub.org/apps/chat.delta.desktop.flatpakref
If you're lucky*, you can install this app by just hitting this button:
Install* You need to have an appstream:// handler, e.g., GNOME Software or KDE Discover, installed and the app needs to be available in a configured software repository, more details.
Find similar apps
By Service: deltachat
By Category: chat
By FreeDesktop-(Additional-)Category: Chat InstantMessaging Network
Licensing and technical details
License: GPL-3.0-or-later Metadata: CC0-1.0
Frameworks: Electron
Backend: libdeltachat
Programming languages: TypeScript
Build system: npm
AppStream Metadata URL: https://raw.githubusercontent.com/flathub/chat.delta.desktop/master/chat.delta.desktop.appdata.xml