Free Software for Cybercafe Management?

SantiagoRoza asks: "Hello, Slashdot. I am asking for your collaboration because someone I know needs a software to manage his (small) Internet cafe. Ideally, we're looking for software that is free/libre and multilingual (with a Spanish version), but I'd gladly take free/gratis and English-only. Additionally, the software has to work on Windows. After searching the 'net, I've only been able to find CafeTimer, which doesn't impress me. Nothing else out there looks like it will support more than 2-3 computers. Might you all have other suggestions?"