openMittsu

Welcome.

Secure end-to-end encrypted messaging - from your Desktop or Laptop.

What this is

OpenMittsu is a cross-platform open source implementation and desktop client for the Threema Messenger App.

Supported Platforms

Currently we support

  • Windows 7, 8, 8.1 and 10, both in 32bit and 64bit,
  • Debian 8 and 9 in 32bit and 64bit on amd64/i386 as well as PPC,
  • Mac OS X.

Features

FeatureGroupsSingle Contact
TextSend/ReceiveSend/Receive
ImagesSend/ReceiveSend/Receive
LocationsReceiveReceive
FilesNot supportedNot supported
VideosNot supportedNot supported
PollsNot supportedNot supported

ToDo

  • better UI (HTML5 driven chat windows)
  • Wizards for initial configuration
  • Support for video and file messages

Interested?

We are always looking for contributors! Take a look at the source.