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.
This secure email platform offers end-to-end encryption, a comprehensive suite with Calendar and Documents. Mailfence is inter-operable with OpenPGP services, features digital signatures, provides keystores, and available as a PWA for mobile independence while ensuring no ads, trackers, or surveillance.
Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.
Offers comprehensive encryption for email, calendar, and contacts with zero personal info required. Built on open source, install via Play Store, F-Droid, or APK, with Tor and VPN support. Both free and paid plans; utilizes quantum-resistant encryption ensuring privacy-focused, anonymous usage.
Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.
Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.
Web- and IMAP-based email service. 4GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.
E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).
Access, view and manage messages from all your email accounts in one place. Categorize your messages into easy to browse categories. Catch up on email easily with Apple Intelligence powered Priority Messages and summarizations.
Privacy-focused Swiss email system provides 20 GB free storage, supports custom domains and unlimited storage, syncs contacts and calendars, is ad-free, and is part of a secure productivity suite used by over a million users across Europe on all devices.
Fastmail offers secure email hosting with comprehensive webmail services, including IMAP, POP, and SMTP protocols. It supports file sharing, shared folders, large mailboxes, instant messaging, and is compatible with popular email programs. Excellent for businesses with compliance features.
Riseup is an organization which provides online communication tools for people and groups working on liberatory social change. To create democratic alternatives & practice self-determination by controlling our own secure means of communications.
Yandex Mail is a reliable email solution for work and personal correspondences with a built-in translator.
Privacy-focused email service offering easy one-click PGP encryption, 20 GB storage, disposable email addresses, and compatibility with IMAP/SMTP while adhering to Dutch privacy laws to secure data and communications effectively.
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