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AtMail Open vs Vivaldi Webmail

A side-by-side look at AtMail Open and Vivaldi Webmail. For an in-depth review of either product, follow the links below.

AtMail Open

AtMail Open

Office & Productivity

AtMail Open is an open source email server software designed for high delivery performance, security, and reliability. It is based on open standards and is a scalable on-prem email platform for SMBs.

emailserveropen-source
Vivaldi Webmail

Vivaldi Webmail

Online Services

Vivaldi Webmail is a free, open-source webmail client developed by Vivaldi Technologies. It offers an intuitive interface, support for multiple accounts, calendar and contacts syncing, and custom themes.

webmailemailcalendarcontactsthemesopensource