Apps similar to MailVault include Thunderbird, which is free and open source. Other options are Betterbird, eM Client, MailStore and Mail Archiver X. In total there are eight Calendar Apps like MailVault for Mac, Windows, Linux, Android and iPhone.
Cross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.
United States
Betterbird, a soft fork of Mozilla Thunderbird, improves user experience with advanced features, bug fixes, security patches, and multi-row descriptions similar to Outlook. Compatible with multiple platforms and can be used alongside Thunderbird, sharing the same profile.
Germany
EU
eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.
CzechiaEU
MailStore Home - A 100% free single-private-user desktop solution
MailStore Home enables you to backup all your email messages from multiple applications and accounts into one secure and persistent archive. Lightning-fast search, one-click backup, powerful export - all informati.
GermanyEU
Use Mail Archiver to make your emails safe and save hours of your time with automatic email management
GermanyEU
United States
Your one stop mail backup and archiving tool for Mac. Automatically backup mails from Apple Mail, Outlook for Mac, Office 365 for Mac, Thunderbird, Postbox, Gmail, Yahoo and other mail services supporting IMAP and POP service directly on your Mac.
EmailAttic is a local desktop app that pulls decades of scattered email into a single, clean, de-duplicated archive that lives entirely on your own machine.
Canada
