Internet management programs (Freedom, et al.)

To my interest I learned of some programs that manage internet usage, in particular one that lets you set time constraints for how long you can access set websites per day. Unfortunately the person who told me about this didn't remember the name of it, hence me asking here.

I've also been alerted to other programs like Freedom, but you have to pay for that, so ehhh. And another thing, whose name I also didn't get, that makes a page take 3 minutes to load.

Anyone have other suggestions for weak-willed people with internet addictions?

(Whoops, didn't realize I was in ILM).

leechblock for firefox

Thanks, it looks great!