E-commerce platform suggestions?

Can anyone recommend an e-commerce platform that they like, somewhere I can sell both physical and virtual goods, isn't too expensive, allows some degree of design customization, isn't too hard to use, and (gasp) is even open source? The last part is probably asking too much.

I currently sell ebooks on Gumroad, which has actually been pretty good, but they lack customization options and the ability (as far as I can tell) to do something like a blog (although they do have a mailing list which is something I definitely need!).

There is an old Wordpress.ORG site I have that was made by someone else who is no longer able to update it, and is something of a black box to a clueless oldster like myself. I've heard enough negative things about Wordpress that led me first to Ghost.org, which, as far as I can tell, is really just for blogs and nothing else, and then Webflow, which may have too many deisgn option (as well as fuzzy pricing), and finally back to WordPress.COM which was very pushy about me upgrading (and then upgrading again) before I could even try out their Woo Commerce plugin (also their site just plain doesn't work; if I watch their tutorials and then try to follow them, I'll end up on screens that have buttons and drop down menus that appear in the videos but not on the site itself!).

So anyway, I'm in search of recommendations. I need something that can sell physical and virtual items, has a blog, a mailing list, monthly billing, at least some ability to customize, and, if at all possible, is open source. Would be much obliged for any suggestions.

EDIT: Anyone tried Thirty Bees?