Compare software

Siskin IM vs Kaidan: catalog facts
Siskin IM	Kaidan
Free Free; source code is published on GitHub.	Free Free to download and use; developed within the KDE community.
iOS	Linux
OMEMO end-to-end encryption Audio and video calls over XMPP	Works with any XMPP server instead of a single provider End-to-end encrypted messaging
iPhone and iPad only Needs an XMPP account on a server	Developers note it still lacks some basic features Has known stability issues
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.