DreamCoder for PostgreSQL FREE Edition is a brand new, free graphical tool for database development and administration. DreamCoder enables you to easily build and execute queries, build and execute scripts, compile PL/pgSQL code, create and modify database objects, import and export data, enable user session and database monitor and more.

Product page :
http://www.sqldeveloper.net/postgresql-manager-developer/dreamcoder-for-postgresql.html

Download page :
http://www.sqldeveloper.net/download.html