Something that I found a while ago. They had tidy 1 but have closed beta now for tidy 2. I do not know if you can try it in action atm but you might find some older tidy 1 videos.
Disclaimer: I live in Finland, so I did promote my own country.
Edit: As /u/Synth3t1c/ pointed out; you cannot host tidy 2 on your own servers, due to some tidycms strategy change. Found the tidy 1 page where the original zip with the cms is still available: http://v1.tidycms.com/