There’s no telling what you’ll find if you just rummage under the hood of Apple’s OS X. If you’ve got a mac, chances are you probably haven’t yet found the Quartz Composer. It’s a cool possibly geeky way of generating motion graphics on the fly. QC has a unique method of composing motion graphics recipes using flowcharting.
If you’ve installed the Developer tools for OS X you’ll find a huge array of free well thought out tools. Have a look.