IBM DB2 Tools for z/OS Unicode support

You can use IBM® DB2® Tools for z/OS® on Unicode data, objects, and applications.

DB2 High Performance Unload for z/OS
You can use this tool to unload table data in any encoding scheme. You can also change the encoding scheme for its output.
IBM Data Studio
You can use this tool to create and modify applications that handle UTF-8 and UTF-16 data. You can also use this tool to create, manage, and access Unicode objects, such as databases, table spaces, and tables, in DB2 for z/OS.
DB2 Query Management Facility™ (QMF™)
You can use this tool to query and report on Unicode data in DB2 for z/OS. Use QMF for Workstation for complete Unicode support.
DB2 Table Editor for z/OS
You can use the DB2 Table Editor for z/OS to create, view, or update Unicode data in DB2 for z/OS.