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Kaidan

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Accounts
Kaidan supports using multiple accounts simultaneously. · kaidan.im, 11 Oct 2026
Account support
Kaidan supports using multiple accounts simultaneously. · kaidan.im, 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. · kaidan.im, 11 Oct 2026
Availability
The download page lists a Linux Flatpak and source code for the stable release. · kaidan.im, 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. · kaidan.im, 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. · kaidan.im, 11 Oct 2026
Current version
The site lists version 0.16.0, released July 21, 2026, as the current version. · kaidan.im, 11 Oct 2026
Development
The project joined KDE and uses KDE’s GitLab instance, KDE Invent, for code hosting and contributions. · kaidan.im, 11 Oct 2026
Encryption
Kaidan supports end-to-end encryption with OMEMO 2 for messages, files, and metadata. · kaidan.im, 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. · kaidan.im, 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. · kaidan.im, 11 Oct 2026
Media
Kaidan supports audio messages, video messages, file sharing, and a media viewer for browsing chat media. · kaidan.im, 11 Oct 2026
Media sharing
Users can share files and queue media uploads or downloads to start when they are online. · kaidan.im, 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. · kaidan.im, 11 Oct 2026
Messaging features
Kaidan supports message reactions, read markers, drafts, message search, and chat pinning. · kaidan.im, 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. · kaidan.im, 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. · kaidan.im, 11 Oct 2026
Provider choice
During account creation, users can filter XMPP providers by properties such as data storage country and renewable energy use. · kaidan.im, 11 Oct 2026
Provider integration
Kaidan uses XMPP Providers for account registration and lets users try a different provider during automatic registration. · kaidan.im, 11 Oct 2026
Search
Kaidan provides search for chats and messages, with the search field integrated into the main toolbar. · kaidan.im, 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. · kaidan.im, 11 Oct 2026
Stability
The site says Kaidan does not yet have all basic features and still has some stability issues. · kaidan.im, 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. · kaidan.im, 11 Oct 2026

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