I will attempt to keep this as far from commercial as I can as well.
SavvyCAN itself is free. You are free to go download it and use it so there is no commercial aspect to the software. SavvyCAN is just a program you can run on Windows, OSX, and Linux.
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There is a website for SavvyCAN and it's a pretty obvious address (
Home). The website really, really sucks. I mean, it's crappy. I never seem to have the time to update it. But, the binaries are updated every so often. So far I've neglected to update the site to say when the binary has been updated or what changed. I will start doing that. Next binary will have IXXAT loading/saving and support for loading and using more than one DBC file at the same time.