Mods: Ultimate Mod Manager by JuliaLune from Luniversims.
The Sims 4 Ultimate Mod Manager is a full mod and custom content management app for The Sims 4.
– Foldability to manage multiple libraries on the fly –
– Create, rename and delete libraries
– User-friendly design
– Activate / Deactivate several mods at the same time
– Drag and drop files in the Enabled / Disabled list
– Automatic detection and identification of different kinds of CC
– Option to automatically disable mods when exiting the game
– Several view styles for the list of mods