UI + Civ6 like Mods

Hi Modders:

a) What is the best UI mod (e.g. Acken plays with a good one)
b) Are there any high-quality mods that model any aspect of Civ6? E.g. Ryika has a good one with builders instead of workers. Are there any others?

Thanks Y'all,

Moderator Action: The Modding Tutorials and Reference sub-forum is for completed modding tutorials and reference guides only. All questions and requests for help go in the main Creation and Customisation forum. I've moved this thread to there.
Please read the forum rules: http://forums.civfanatics.com/showthread.php?t=422889