In the mood to do some housekeeping on your Mac? Onyx for your Mac can do it all, for the low, low price of free! Free is wonderful, and especially when it comes to keeping your system fresh. Onyx has been around for awhile now and with every new iteration it just keeps getting better. You can use for tasks like drive verification, system maintenance, and getting rid of extraneous files. It's been updated for Lion, so let's take a look!