D&D 5e just released a system reference document under the Open Game license!
There is also a marketing program called the Dungeon Masters Guild that open up additional benefits most importantly allowing people to set material in the Forgotten Realms.
I will look over things tonight and have a in-depth post about where the limits are.
Yeah there just may be a 5e Majestic Wilderlands.
Weirdest Dark Albion Mix Yet
1 hour ago