Compare software

another.im vs aTalk: catalog facts
another.im	aTalk
Free Free and open source under the GPL 3.0 licence.	Free Free and open source under the Apache-2.0 licence.
Android, Web	Android
Uses the open, federated XMPP protocol Aims for consistent features across platforms	OMEMO encryption including group chats DNSSEC and DANE connection security
Little documentation on the project website Requires an XMPP account to chat	Android only Needs an XMPP account on a server
Downloadable app, Web application	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: Apache-2.0
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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