Engine dyno software. Anything good on the Internet?

Ever photocopied a page out of a friend's workshop manual? legal as long as it is not mass produced and sold , for personal use
Ever looked at pictures of a tool you can't afford and decided to produce your own?= legal as long as you do not sell them for personal use
Ever taped a movie onto VHS or a song from the radio? = legal for personal use
Ever watched Pay per view at a friend's place for free? legal unless they charge admission fee
Ever sold something for more than you bought it for and not paid tax on the profit? nobody is perfect , besides in Canada we don't go to jail for cheating on our taxes , just a fine .