You can download trial version of dbExpress driver for PostgreSQL to try using it.
Trial version of dbExpress driver is a fully functional Standard Edition, that has
the following trial limitations:
The latest version is 3.3.4 (22-Oct-2013). For a list of changes see the revision history.
Note: For the list of compatible versions please see Compatibility.
dbExpress drivers now support RAD Studio XE5!
dbExpress drivers now support RAD Studio XE4!
dbExpress drivers - the new Devart High Five program member!
You might be also interested in:
PostgreSQL management tool:
dbExpress drivers for other databases:
PostgreSQL data access in other technologies: