Learn the beginning and future of SQL-Developer, Data Modeler, ORDS, SQLcl, XE and feel a similar spirit in his group we all know from the APEX development team.
Kris's Blog (http://krisrice.blogspot.de)
SQL-Developer Feature Requests (http://sqldeveloper.oracle.com)
Register for THE APEX community live Webinar (http://www.odtug.com/online-education)
Oracle Database Developer Choice Awards - Vote for your APEX colleagues! (https://community.oracle.com/community/database/awards)