Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding General D:OS2 on GOG and Steam Workshop content.

I've always found Nexus to be mostly agreeable, but I guess we all have our preferences: I'm not a fan of Steam, for instance. If it's just going to one or two people I'll just upload it to some private folder somewhere, though.