With DB you can very easily save, restore, and archive snapshots of your database from the command line. It supports connecting to different database servers (for example a local development server and a staging or production server) and allows you to load a database dump from one environment into another environment.

pgBackRest aims to be a simple, reliable backup and restore system that can seamlessly scale up to the largest databases and workloads.

Barman (Backup and Recovery Manager) is an open-source administration tool for disaster recovery of PostgreSQL servers written in Python. It allows your organization to perform remote backups of multiple servers in business critical environments and help DBAs during the recovery phase.