What are some alternatives?
When comparing Backup Bird and PostgreSQL, you can also consider the following products
Frontbase - FrontBase was created to fill the need for a robust and scalable relational database server that...
MySQL - The world's most popular open source database
Iperius Backup - backup software for Windows
SQLite - SQLite Home Page
Oracle Database Backup Service - Database Backup
Oracle DBaaS - See how Oracle Database 12c enables businesses to plug into the cloud and power the real-time enterprise.