7 Deadly Sims -- Hugely comprehensive fansite with downloadable items, skins, building materials, and much more.
8th Deadly Sim -- The 8th Deadly Sim is the paysite counterpart to 7 Deadly Sims. For a small token fee you can download hundreds of amazing objects, skins, building materials and lots more!
Around the Sims -- Can't get enough of that fresh downloadable content for The Sims? Here's another Sims fansite!
Coasters -- An all inclusive site with houses, skins, fashions and more. News too
devisraad.com: The Sims -- Download unique skins and furnishings from devisraad.com's Sims page.
KillerSims -- A Great Mall for your Sims
Sim Dudes Online -- The site is said to be updated every Monday with great new Skins, Walls, Floors, Roofs, Houses, Paintings, and Objects.
SimFreaks -- Yes, even more amazing new unique downloadable content for The Sims!
SIMplyDariene -- Walls, Floors, Paintings and Objects, Murals, Objects, The Lollipop Shop, All That Glitters, FAQs, How-To Tutorial, Links
Sims in a Bottle -- A site with Cool Original Objects, tons of Wallpaper Sets, Floors, and Cheats.
Simulation Sims -- Another fantastic fansite full of downloadable new Sims content!
The Sims -- The official website site for console versions.
thesims.be.tf -- This site gives Overhead cabinets Plus loads of sets of same color furniture and a very useful program called Sims Object ID to check to see if an object has an uniqe ID number
The Sim Sisters -- A unique site about The Sims that is theme-based around a Church. Art Gallery, Paintings, Skins, Nuns, Priests, Religious Items, Disney, and News
The Sims Resource -- Another huge fansite choc full of new downloadable content for The Sims!
The Sims Tattoo Parlor -- Site contains Tattoos, Clothing and Swimming Suits, Floors, Walls, Paintings, Guest Skins, Objects, FAQs, Links,
The Well Dressed Sim -- A Sims fansite specifically dedicated to fashion and the fashionable. Download stunning new clothing, salon items, home decor and more!
Who Needs the Networks? -- An Apple Games article about the Macintosh version of The Sims (August, 2000).