I figured this could be a really fun and useful thread if people are interested. I've put together my all time favorite mods in hopes of helping others discover something new, and to find some mods that I may not be using that you guys are. Here's my list: (I will put together some of my top favorite cas mods once I finish that list)

Lighting mods:
http://brntwaffles.tumblr.com/post/...e-film-frozen-i
http://brntwaffles.tumblr.com/post/...t-will-override
http://brntwaffles.tumblr.com/post/...package-file-in

NRAAS mods:
http://nraas.wikispaces.com/MasterController
http://nraas.wikispaces.com/Overwatch
http://nraas.wikispaces.com/Woohooer
http://nraas.wikispaces.com/Relativity
http://nraas.wikispaces.com/Animator
http://nraas.wikispaces.com/StoryProgression

Misc mods:
http://www.bloomsbase.net/index.php...gory/5-sexyfeet
http://simperingsimoleons.tumblr.co...are-some-of-the
http://mahamudosim3.blogspot.com/20...p-revision.html
http://modthesims.info/d/345987
http://modthesims.info/d/428179
http://modthesims.info/d/438706
http://virtualartisan.blogspot.com/...ion-add-on.html



HQ mod:
http://sclub.mktm.co.uk/en/2013/01/ts3-hqmod/

Favorite worlds:
http://thesimscatalog.com/product/st-claire/
http://minasavenue.tumblr.com/post/...a-like-the-name
http://www.thesims3.com/assetDetail...assetId=8255697
http://forum.thesims3.com/jforum/posts/list/750676.page
http://minasavenue.tumblr.com/post/...anolia-a-little
http://forum.thesims3.com/jforum/posts/list/734231.page
http://forum.thesims3.com/jforum/posts/list/295247.page
http://thesimscatalog.com/product/strangetown/
http://thesimscatalog.com/product/alpine-county/

~(-.-*)~

If this type of thread has already been made/is still active I apologize and will delete this promptly.

We had plenty of these threads, yes. And then some.

The lighting mods by BrntWaffles are definitely top notch; I like to switch them around whenever I play different worlds and the lighting makes a great difference in the overall feel.
The No Glare Lighting Mod by Misty/Margaret Pendragon is awesome too. Unfortunately it's not online anymore but you can still request it from her (personally, I don't use the HQ combo version).

Of course, there's the Nraas suite. Whenever I happen to take one out for testing something, I'm quickly reminded why it's there

I've just started using the No Shopping from Fridge mod by Ani_ and I already love it. Gives a reason to have the grocery store in town, aside from fishing classes
Twoftmama's Extended Movie Times is also a godsend. I don't even remember what the previous movie times were, but I can now send my Sims more times to the theater.
velocitygrass's Add Any Lot Size - perfect for more options in placing lots.

And various fixes for makeup and clothes, like unstenciled or denecklaced versions. Add to this a metric ton of sliders as well.

Well, for the record, we have a sticky thread like this: http://www.modthesims.info/showthread.php?t=517365