Compare software

Mailfence vs Kolab Now: catalog facts
Mailfence	Kolab Now
Freemium A free account is available, with paid plans for more features.	Paid Paid subscription service.
Android, iOS, Web	Web
OpenPGP encryption and signing in the browser Standard IMAP, POP and SMTP access	Operated in Switzerland since 2013 Email, calendars, contacts, files and video calls in one account
Hosted service only Advanced features sit on paid plans	Hosted service, not something you run yourself Paid service
Downloadable app, Web application, Hosted service	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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