solidDB - Relational Databases
ZixArchive - ZixArchive is a cloud-based solution to collect, store and search archived emails.
SQLite - SQLite Home Page
MailShelf Pro - MailShelf Pro is a professional email archiving solution that covers all important aspects of a...
MySQL - The world's most popular open source database
Athena Archiver - Athena Archiver Email Archiving Solutions provide enhanced disaster recovery options by enabling automatic off-site email storage and data replication to a mirror site.