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GNUnet Messenger

Private and secure communication Source


Messenger-GTK is a convergent GTK messaging application using the GNUnet Messenger service. The goal is to provide private and secure communication between any group of devices.

The application provides the following features:

  • Creating direct chats and group chats
  • Managing your contacts and groups
  • Invite contacts to a group
  • Sending text messages
  • Sending voice recordings
  • Sharing files privately
  • Deleting messages with any custom delay
  • Renaming contacts
  • Exchanging contact details physically
  • Verifying contact identities
  • Switching between different accounts

Chats will generally created as opt-in. So you can decide who may contact you directly and who does not, accepting to a direct chat. Leaving a chat is also always possible.


Project links: Links with more information: Links to (pages with) screenshots:


Mobile Fit: 5

Perfect - this app fits your phone screen just fine out of the box and works nicely with touch input!

Project status: maturing

This project has been in development for some time and is somewhere around a 1.0 release. It should work mostly fine.


 Every feature of this app can be accessed via touch screen, no mouse or keyboard needed.


Is this app packaged for my distribution?

green: current and packaged,
red: packaged, but not current, ratings and other details may not apply.

Packaging status

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Get it on Flathub!

Build and install your own Snap: https://git.gnunet.org/messenger-gtk.git/plain/snap/snapcraft.yaml

Please note that Snap only supports these distributions.

If you're lucky*, you can install this app by just hitting this button:


* 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: GNUnet Messenger

By Category: chat

By FreeDesktop-(Additional-)Category: GTK GNOME Network Chat InstantMessaging

Licensing and technical details

License: AGPL-3.0-only Metadata: CC0-1.0

Frameworks: GTK3 libhandy

Backend: libgnunetchat

Programming languages: C

Build system: meson

AppStream Metadata URL: https://git.gnunet.org/messenger-gtk.git/plain/resources/org.gnunet.Messenger.appdata.xml