Sims 4
Clothing
http://cc4sims.com/sims4dv_index.htm
Sims 4 Studio
Open beta version (Joy) available
http://sims4studio.com/board/6/download-sims-studio-open-version
Community tested version
http://sims4studio.com/thread/1479/sims-studio-love-community-tested
Around the Sims
Sims 4
Newstand
http://aroundthesims3.com/sims4/
Patchwork Sims
Sims 4
Clothing
http://www.patchworksims2.de/index.php?page=Thread&threadID=4286
The Sims 4 Hotel
A number of things
http://thesims4hotel.forumieren.com/
Simpixus
Sims 4
Build items (left off the url, sorry!)
http://simpixus.tumblr.com/
Kardofe
Sims 4
Bedroom
http://kardofe-construccionydecoracionsim.blogspot.com/
Sims Addictions
Sims 4
Clothing
http://www.simsaddiction.com/
Harley Quinn’s Nuthouse
Sims 4
House
http://harleyquinn3184.blogspot.com/
Veranka
Sims 4
Floors
http://veranka-s4cc.tumblr.com/
Stardust
Sims 4
Hair
http://amarathinee.tumblr.com/
Budgie Goes Simblr
Sims 4
Candy
http://budgie2budgie.tumblr.com/
Sims Hairs
Sims 4
Hair
http://simshairs.tumblr.com/
La Luna Rossa and The Sims
Sims 4
Sinks
http://www.lalunarossa-sims.org/
Mod the Sims
Sims 4
Horseshoe court, eyes, hair
http://modthesims.info/browse.php?gs=4&f=38&showType=1
MYB Sims
Sims 4
Hair, clothing
http://www.mybsims.net/
http://mybsims.blogspot.com/