RoyalSonic is described as 'Ultra-affordable business email hosting and groupware suite. A privacy-first alternative to Google Workspace and Microsoft 365' and is a Cloud Storage service in the backup & sync category. There are more than 10 alternatives to RoyalSonic for a variety of platforms, including Web-based, iPad, iPhone, Android and Android Tablet apps. The best RoyalSonic alternative is Proton Mail, which is both free and Open Source. Other great apps like RoyalSonic are Tuta Mail, Disroot, Zoho Mail and Posteo.
Vivaldi Mail is a free email service with no ads and no strings attached developed by Vivaldi Technologies. It also offers contacts and calendar features, search capabilities, folders management, WEB/POP/IMAP access, 10GB of storage capacity, 20 MB of maximum attachment size...
Free anonymous email platform offering automatic PGP encryption, dedicated Tor .onion address, strict no-logs policy, no personal data or phone required, and anonymous payments through Monero, Bitcoin, Ethereum, or credit card. Compatible with Tor and web browsers.
Commercial email service emphasizing OpenPGP message encryption, SSL/TLS security, two-step authentication, file storage, custom domains, iOS support, spam filtering, ad-free web interface, and secure communications accessible via browsers and existing clients.
Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.
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