Technology Explorer for IBM DB2 is a nifty and light-weight monitoring console written in PHP. It's a fast and modern way to take a look at a database's internals and get a very specific idea of how things are. For example, it presents tablespace details in an accessible way.
It includes wizards and tutorials that simplify common tasks. At 1.7MB, it has a lot of value and power.
You'll need Apache and PHP with the ibm_db2 extension. A simple way to get all of the above is to [follow these steps].
DB2 Express-C Team