Compare software

Jami vs Session: catalog facts
Jami	Session
Free Free software under the GPLv3 or later. A GNU project with no paid tier.	Free Free and open source under the GPL 3.0, run by the Session Technology Foundation.
Windows, macOS, Linux, Android	Windows, macOS, Linux, Android, iOS
Completely peer to peer, with no server relaying data between users No phone number or email needed to create an account	No phone number or email needed; the account is a random ID Onion routing hides your address from recipients and from the network
Peer-to-peer delivery means messages to an offline device wait until it reconnects Connection reliability varies more than with a server-relayed service	Losing your recovery phrase means losing the account with no reset Delivery can be slower than a centralised messenger
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 21, 2026

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