MY FAVORITE CC & MOD SITES
MySims3Blog
NRaas
Anubis360
Club Crimsyn
Mod The Sims
KittyKlan
Garden of Shadows
These Skin & Eyes are always what I use on my Sims, so those never change.
SKIN
Moonlight Skin Body Replacements by Kanno
Sims3 DefaultReplaceSkin-Face V1.0 by Ephemera
EYES
Sparkle Eyes by Shadowwolf5889
PROGRAMS & TUTORIALS
Delpy Dashboard
Delphy Dashboard Tutorial by Crinrict
Delphy Custard
Delphy Custard Tutorial by Crinrict
Delphy Custard Tutorial by Glitzyangel
Delphy's Sims 3 Pack Multi-Extracter
S3PE Package Editor
S3PE Tutorial by Club Crimsyn
Tutorial: Combining and compressing custom content files
Sims 3 UIC: Upload Image Changer
MODS
Master Controller
Story Progression
No Mosaic
Pose Player
Error Trap
Overwatch
Hidden Skills Unhidden
Now the rest of this CC will change depending on the Sim, but here are some of the stuff that I use. I'm not going to list Hairs here since that would be such a giant list. This is just for the smaller CC stuff.
FACIAL HAIR
IN798 Eyebrows
Eyebrows Collection by Ephemera
Pralinesims: Gentle Eyebrows
KittyKlan: Chinstrap Goatee
KittyKlan: Chinstrap Defaults
LIPSTICK
Arisuka Natural Lipcolor
Simply Sweet Lipsticks - Cotton Candy - by Elexis
EYELINER & EYESHADOW
Kathrin's Eyeliner
Kathrin's Eyeshadow
Also, don't forget that for some Sims the CC may be different so be sure to check out my list of Sims to find their list of CC. This list here is mainly for me to just keep track of everything. :)