WickedWhims – basic mod for sexual interaction
Nisa’s Wicked Perversions – adds Wicked Prostitution, Wicked Mermaids, Wicked Succubi and Wicked WTF
MC Command Center – extends functions and enables ingame manipulation and cheats
Basementel Mods – allows drug use, alcohol and gangs in the game
More Columns in CAS – You can extend the columns in CAS to 3, 4 or 5.
BetterExceptions – Better Exceptions is a low-maintenance mod that gives players a more detailed exception file when the game encounters errors, and in many cases can track down the exact file that caused the exception automatically.
Python Patch Mod – A mod that activates certain sheats directly. Unfortunately, not all of them seem to work with the latest patch. I use a few of them though.
More Traits in CAS – your sims can have up to five different traits in CAS
LittleMsSam’s Mods – Various large and small mods to change functionalities in the game
XML Injector – Is needed by some mods, but is always pointed out by the creator if you need it