
Mailfence
FreemiumMailfence is a web-based email service that offers OpenPGP based end-to-end encryption and digital signatures.
Discover best Carddav Online softwares, apps and websites.
Mailfence is a web-based email service that offers OpenPGP based end-to-end encryption and digital signatures.
Memotoo sync all your contacts from Gmail, Facebook, phone, Thunderbird, Outlook, etc in a single address book.
Baïkal is a Cal and CardDAV server, based on sabre/dav, that includes an administrative interface for easy management.
SOGo (Scalable OpenGroupware.org) is an open source collaborative software (groupware) server with a focus on simplicity and scalability.
Kolab Now is a web-based email and groupware service, based completely on free and open-source software.
Kolab is a free and open source groupware suite.