DeltaTouch
Decentralized, secure messenger app, powered by the chatmail core library Source
Description
Community-created messenger based on the chatmail core library, compatible with the official Delta Chat clients.
Notice
DeltaTouch is an e-mail client with a chat-style interface. It can also create unlimited free e-mail addresses on any Chatmail-compliant server (https://chatmail.at). It sets up end-to-end encryption automatically whena contact is added, using the SecureJoin protocol (https://securejoin.readthedocs.io). It can also be used for unencrypted e-mails.
Deltatouch is convergent and should work on any mobile or desktop Linux operating system. It shares a backend with Deltachat. It is available in the Ubuntu Touch package database. It is not yet packaged for Debian (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1073037#14) but there is a Debian and Droidian installer (https://codeberg.org/lk108/deltatouch/wiki/Installation-on-Mobian-and-Droidian-%28manual%2C-experimental%29).
See also: https://cosmos.delta.chat/
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 2023-04-07.
The last known commit happened on 2025-11-29.
Please note: This information is not updated continuously. This particular listing was last updated on 2025-11-30
Features
✔ This app is (according to its appstream metadata or description) intended to be compatible with mobile devices.
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/page.codeberg.lk108.deltatouch.flatpakref
Build and install your own flatpak: https://raw.githubusercontent.com/flathub/page.codeberg.lk108.deltatouch/refs/heads/master/page.codeberg.lk108.deltatouch.yml
Get it on Snapcraft!
Build and install your own Snap: https://codeberg.org/lk108/deltatouch/raw/branch/main/snapcraft.yaml
Please note that Snap only supports these distributions.
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-only Metadata: CC0-1.0
Frameworks: QtQuick LomiriComponents
Backend: libdeltachat
Programming languages: QML C++ C
Build system: cmake
AppStream Metadata URL: https://codeberg.org/lk108/deltatouch/raw/branch/main/package/page.codeberg.lk108.deltatouch.metainfo.xml