PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
OwnBackup - OwnBackup provides automated backups of SaaS and PaaS data and restore tools for disaster recovery.
SQLite - SQLite Home Page
SolarWinds Backup - Modern server backup software
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Spanning Backup for Salesforce - Spanning Backup for Salesforce is the backup and restore solution delivered directly within the Salesforce interface.