CA's Database Command Center can be downloaded and used by anyone at No Charge. It is a fully functional product and is not a trial version.

CA Database Command Center (CA DCC) is a browser-based multi-database management solution that unifies and simplifies the management of different Relational Database Management Systems (RDBMS). Accessible from virtually anywhere without agent installation, you can perform a variety of database administration operations on distributed and mainframe databases from one console.

Supports SQL Server, DB2 for Linux, UNIX, Windows, DB2 for z/OS, Oracle, and Ingres databases.

https://www.ca.com/Register/form.aspx?CID=84918