The most popular alternative is MozBackup, which is both free and Open Source. If that doesn't suit you, our users have ranked 3 alternatives to TEBE so hopefully you can find a suitable replacement. Other interesting TEBE alternatives are Mail Backup X (Freemium) and Batckup Thunderbird (Free Personal).
- MozBackup is a simple utility for creating backups of Mozilla Firefox, Mozilla Thunderbird, Mozilla Sunbird, Flock, SeaMonkey, Mozilla Suite, Spicebird, Songbird and Netscape...
- 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.
- Batckup Thunderbird is a command line application that will allow you to backup your Thunderbird profile.