This blog post discusses the pgstattuple contrib module with regards to getting an accurate assessment of bloat in your PostgreSQL environment.
A discussion of how to configure pgAudit to use an auditing role to watch only specific objects. This is helpful when managing or supporting PostgreSQL installations.
Using pgAudit for enhanced logging and auditing of PostgreSQL
Learn about pgBackRest, and open source tool for performing PostgreSQL backup and restore in an efficient and effective way.