Apps similar to 500Mail by 500apps include Proton Mail, which is open source with a free version. Other options are Tuta Mail, Zoho Mail and Beeble. In total there are four Email Clients like 500Mail by 500apps for Mac, Windows, Linux, the web and Android.
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.
Switzerland
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.
Germany
EU
Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.
India
The Beeble Project is email and online cloud storage platform with unprecedented security and privacy without third party access.
LatviaEU
