PostgreSQL is well-supported by its active community. There are more than a dozen mailing lists available, categorized into topics like:PostgreSQL User Groups all over the world, and there is also an active IRC & Slack community.
There are also links to international sites that contain PostgreSQL information in various languages.
People in the PostgreSQL community also contribute to:
|Vik Fearing: pgDay Paris 2020 - Interview with Daniel Vérité|
|Florian Nadler: Visualizing OSM data in QGIS|
|Vik Fearing: pgDay Paris 2020 - Interview with Christophe Pettus|
|Mark Wong: Creating a PostgreSQL procedural language – Part 3 – Executing User Code|
|Luca Ferrari: Usage of disk space in Oracle and PostgreSQL: a simple use case|
|movead li: Have An Eye On Locks Of PostgreSQL|
|Andreas 'ads' Scherbaum: Postgresql Person of the Week|