: Many modern NPC support mods use Simple Password-based Item Distribution (SPID) to give items or spells to NPCs without needing traditional patches.

: An essential underlying mod that ensures custom races and multi-NPC modifications work correctly without breaking vampire or werewolf mechanics. Implementation Tips

If you are looking for this specific extension to manage NPCs, you might be thinking of these widely-used tools:

: A popular tool that allows users to visually select which overhaul to apply to each NPC in their load order.

: You can right-click an NPC and use "Copy as override into..." to create your own custom patch plugin.

: Prevent the "black face" bug that occurs when multiple mods try to change the same NPC's appearance.