Arbitration - Combat AI - Stealth - Speed - Damage - Gameplay Overhaul and Tweaks Mod
MODAll Optional - AI Overhaul, Stealth Overhaul, Controllable Lowered Weapons, Fall Damage Overhaul, Damage Overhaul, Compass Overhaul, Molotov Overhaul, Grenade Throwing Delay, Grenade Detection Increase
Recommended Core includes the following: Stealth Overhaul (detection distance is separate), Better Combat AI, Reduced Grenade Spam, Farther Grenade Detection, Molotov Overhaul, No Condition Regeneration, Fall Damage Overhaul, and Compass Radar Reduction.
Your best bet is not to use these unless you KNOW what you are doing and KNOW that deep down you REQUIRE these changes to make you happy.