I have been playing around with a tool to produce data (strings, values, files etc) for testing various applications. I wanted something that could quickly produce lots of different types of data in a flexible manner. So after some work I ended up with TDG.
It is written in .net and you use it via the command line. Say you wanted to produce 1000 random numbers between 500 and 700, you could do so with the following simple command: