Kaidan

What it does

Accounts

Kaidan supports using multiple accounts simultaneously.checked 11 Oct 2026

Account support

Kaidan supports using multiple accounts simultaneously.checked 11 Oct 2026

Audio and video

Kaidan 0.15.0 introduced experimental audio and video calls; the maker said calls were only supposed to work on Linux at that time and some setups might not work properly.checked 11 Oct 2026

Availability

The download page lists a Linux Flatpak and source code for the stable release.checked 11 Oct 2026

Calls

Audio and video calls were added as experimental support, and the release notes say they were only intended to work on Linux at that time.checked 11 Oct 2026

Chats

The app supports group chats, and its 0.10.0 release describes invitations, participant lists, mentions, and public or private group chat filtering.checked 11 Oct 2026

Current version

The site lists version 0.16.0, released July 21, 2026, as the current version.checked 11 Oct 2026

Development

The project joined KDE and uses KDE’s GitLab instance, KDE Invent, for code hosting and contributions.checked 11 Oct 2026

Encryption

Kaidan supports end-to-end encryption with OMEMO 2 for messages, files, and metadata.checked 11 Oct 2026

End-to-end encryption

Kaidan supports end-to-end encryption via OMEMO 2 and Automatic Trust Management; encryption is enabled by default when a contact supports it.checked 11 Oct 2026

Group chats

Kaidan supports group chats, and its 2024 release notes say group chat features require an XMPP provider that supports MIX-Core, MIX-PAM, and MIX-Admin.checked 11 Oct 2026

Media

Kaidan supports audio messages, video messages, file sharing, and a media viewer for browsing chat media.checked 11 Oct 2026

Media sharing

Users can share files and queue media uploads or downloads to start when they are online.checked 11 Oct 2026

Media viewer

Kaidan 0.16.0 added a viewer for browsing chat media chronologically and playing music and videos in the app.checked 11 Oct 2026

Messaging features

Kaidan supports message reactions, read markers, drafts, message search, and chat pinning.checked 11 Oct 2026

Password storage

Kaidan stores passwords in a system password manager when available; otherwise, it can store them in an unencrypted file and migrate them when a password manager becomes available.checked 11 Oct 2026

Product

Kaidan is a chat app that uses the open XMPP (Jabber) protocol, so users are not tied to one service provider.checked 11 Oct 2026

Provider choice

During account creation, users can filter XMPP providers by properties such as data storage country and renewable energy use.checked 11 Oct 2026

Provider integration

Kaidan uses XMPP Providers for account registration and lets users try a different provider during automatic registration.checked 11 Oct 2026

Search

Kaidan provides search for chats and messages, with the search field integrated into the main toolbar.checked 11 Oct 2026

Security limitation

The maker says Kaidan is not yet stable and does not consider its security as good as that of leading chat apps.checked 11 Oct 2026

Stability

The site says Kaidan does not yet have all basic features and still has some stability issues.checked 11 Oct 2026

Voice messages

Kaidan supports recording voice messages by pressing and holding the record button, then sends the message when the button is released.checked 11 Oct 2026