Not only for DB2 users: Useful and free Tools for the z/OS Platform
 

IBM Optimization Service Center for DB2 for z/OS

IBM Optimization Service Center for DB2 for z/OS (IBM OSC) is a workstation tool for monitoring and tuning the SQL statements that run on your DB2 9 for z/OS and DB2 for z/OS Version 8 subsystems and data sharing groups. IBM OSC provides a subset of the full suite of powerful features that are available in IBM DB2 Optimization Expert for z/OS. The most recent fix pack for IBM OSC includes support for DB2 for z/OS Version 8 subsystems (compatibility and new-function modes), support for DB2 data sharing environments, and an improved user-experience.
(Free IBM Site pre-registration required!)

IBM Data Studio administration console (DSAC)

This no charge web-based console for AIX, Linux or Windows provides basic entry-level health monitoring for your data servers and health monitoring for Q replication. Version 1.2 adds support for DB2 for z/OS Version 8 and 9.  
(Free IBM Site pre-registration required!)

IBM z/OS Unix Tools and Toys

z/OS Unix Tools and Toys are freely downloadable open source unix application and other applications developed for z/OS Unix. Most packages are free (some are pointers to third party packages which may not be free). There are no warranties of any kind, and there is no service or technical support available for these from IBM.

DB2 for z/OS Exchange

Looking for free tools, providing your tools to the community: Visit IBM’s Developer’s Exchange Site:

ISPF Query Tool

Cardett’s free ISPF query tool for DB2 z/OS.

MEMU2 and MEMUSAGE

IBM DB2 z/OS Memory Usage Tool: The MEMU2 REXX (free download) was created to help users identify the virtual storage used by the transactions in their workload. It runs as a simple batch job, waking up periodically (default 5 minutes), and writing the IFCID225 virtual storage trace information to a line in an comma delimited output data set.

TASID

IBM TASID is a tool developed internally within IBM to monitor activity on a z/OS system. Note that some options may not operate correctly on all z/OS systems. All available documentation is contained in the help panels, which you can access by entering the HELP function key on any panel within TASID.

CICS Time Machine

IBM SupportPac CH15, the CICS Time Machine, is a tool that makes it easier for you to test time dependent CICS applications. This version supports CICS TS V3.1, V3.2, and V4.1.

Free Store Clock Utility

This IBM JavaScript tool converts internal store clock values to human readable date and time values (dd/mm/yyyy and Julian date).

Open Source Projects

IBM’s registry of open source projects.

Users accessing DB2 for z/OS databases on Linux/Unix/Windows workstations, don’t miss to visit also this page.