PostgreSQL

最好用的，没有之一

after an intesive testing period, this was our first pick

DB Lens is an open-source database client written in TypeScript (still in Beta) that allows to explore the database and relations with automatic ER diagrams and visualise DB metrics.

Beginners guide that does not require any PostgreSQL knowledge. It also explains the differences with MySQL.

Pgpool-II for PostgreSQL provides connection pooling, replication, load balancing and more.