Xplan	SQL plans from the library cache, and everything about the accessed table(s) (replaces the obsolete sga_xplan)
Bind Variable Checker and SQL tokenizer	routines for checking whether Bind Variables are used, and a tokenizer for SQL syntax
Exchange segment	replace all rows - like delete+insert but as performant as a truncate+insert/*+append*/
As-of-scn views	using as-of-scn views to share a consistent image between db-link connections