These are some of its advantages:
Highslide JS is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. This means you need the author’s permission to use Highslide JS on commercial websites.
Do you want to use Highslide for a personal website, a school site, your family’s photo album or a non-profit organisation? Then you don’t need the author’s permission, just go on and use Highslide.
A commercial website is a website which purpose is generating revenue or cash flow of any type, and that isn’t under a non-profit organization. So if you’re selling a product, selling advertisement, selling a service or just marketing a commercial business, your site is commercial. A company website is also commercial even if it doesn’t sell anything, as it’s purpose is to front a commercial company.