kaidan is a free and open source XMPP (Jabber) based chat application for Linux and Android. Using kaidan you can send and receive audio messages and short video messages. You can also use this app to share files with your chat contacts. It is a simple and easy to use XMPP client. It is released under open source GPL-3.0+ license. It is a kde project. It is written in C++ using qxmpp XMPP and Qt. In Kaidan you can use all other service provider and not dependent on one.
Install kaidan XMPP client on Ubuntu:
kaidan chat app is available as a portable AppImage and in flatpak.
Download kaidan from the above link and save in your Downloads folder. File will look like “kaidan-0.6.0.x86_64.AppImage” . Change below commands based on your file name. Open your terminal (ctrl+alt+t) and run below commands.
sudo chmod +x ~ kaidan-0.6.0.x86_64.AppImage
Install Kaidan via flatpak:
If you don’t have flatpak and flathub on your system, then follow below tutorial and install it. Then restart your system.
How to install flatpak on ubuntu
Open your terminal app and run below command to install kaidan.
flatpak install flathub im.kaidan.kaidan
You can run it via below command.
flatpak run im.kaidan.kaidan