Dissertations should be esoteric, right?

I have found two pieces of software that would allegedly be able to perform the land-cover classifications I hoped to do in the next couple days. One is user-friendly, blazingly powerful, and costs 3,600 pounds. Unless something alarming has happened to the economy of the UK, I believe that may be a lot of money. In a stunning triumph of academic freedom over corrupt capitalist society, the other program is open-source and free. As one might expect from such a piece of software, it is written in a manner that does not employ the mouse. As an added bonus, the instructions are only available in Portuguese.