Compare software

Psi vs Converse: catalog facts
Psi	Converse
Free Free and open source under the GNU General Public License.	Free Free and open source under the MPL-2.0 licence.
Windows, macOS, Linux	Web, Self-hosted
OMEMO, OTR and OpenPGP encryption via plugins Very flexible interface with multi-window and all-in-one modes	Works with any standard XMPP server OMEMO end-to-end encryption
Last tagged release dates from 2020 Aimed at experienced users rather than newcomers	Needs an XMPP account or server to be useful Some features such as URL previews depend on server support
Downloadable app	Downloadable app, Web application, Self-hosted
Open source	Open source
License: GPL	License: MPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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