Veeam Backup - Backup and restore VMware and Hyper-V virtual machines with Veeam Backup Free Edition. Unlimited hosts and VMs. Free forever.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Zerto - Virtual replication & recovery solution
MySQL - The world's most popular open source database
SolarWinds Backup - Modern server backup software
SQLite - SQLite Home Page