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The aim of Gajim is to offer a fully functional and easy to handle XMPP-Client. The most important features are:

  • Chat-window with tabs or in single windows
  • Support for group-chats
  • Emoticons, avatars
  • Audio- and video-conferences
  • File transfer
  • Support for several accounts
  • Expandable scope of functions due to plugins


Linux Fedora:

sudo dnf install gajim 

Microsoft Windows:


In the beginning, the so-called Jabber-ID needs to be entered in Gajim:

  • Accounts/ +
    • Select option „Ich habe bereits ein Konto, das ich benutzen möchte“ (ENG: “I already have an account, which I would like to use”)
    • Jabber-ID: <username>
    • Password: Your password

Activation of Plugins:

  • Plugins:
    • OMEMO
    • Plugin Installer
    • Plugin translations
    • Url image preview

After that, you should add your chat partner:

  • Accounts / Add contact
    • JID: Type in the Jabber-ID of the chat partner
    • Nickname: Type in the name of the chat partner (normally last name, first name)
    • Add

Activation of the OMEMO-encryption: * double-click on the chatpartner, then click on the lock with the red exclamation mark in the bottom right corner within the chat window and activate OMEMO * **remark: If you would also like to chat within the web surface of the Collaboration Cloud, you should not Semester the OMEMO-encryption. The chat client within the web surface of the Collaboration Cloud does not support end to end encryption.