yabetehtin for Hex Conquer and Release , a mod that allows individual tiles to change ownership. I consider this kind of vital because without it, I don't know how I would get tiles where fortifications have been built to change ownership:
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2712117053

Keukotis for Speedy Starting Settler , which I based the Ancestral Settler on:
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=96695370


preffect for Fortress Borders , which lets forts capture tiles around them:
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=178571997


TofuSojo for Better City Defenses , for the Palisades:
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=323061402


BlouBlou for Terrain--Motte-and-bailey Fort :
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=116349281


And LeeS, whoward69, and anyone else I'm forgetting from forums.civfanatics.com and elsewhere for their help, especially with some of the more arcane aspects of modding.