Links
CSGforums (CSGf)
A casual place for the SimCity community to share their stuff. Features live chat, forums, and the CSGfx, a Custom Content exchange. Several well-known Urban Bios are published on CSGforums, such as CSGdesign's Natural Growth, my own Cascadia: A West Coast Nation, emgmod's U-Build-It, and marsh's The Royal Gansbaai Kingdoms. The Earth V2 project also makes CSGf its home.
SimCity 4 Devotion (SC4D)
SimCity 4 Devotion is a major community website, dedicated to quality. It features forums, a large CC exchange (BSC LEX), and a SimCity 4 wiki. Many teams have made SC4D home, including the BSC, NAM, NHP, and RAM teams. Run by Jeroni (jeronij), the site was founded in November 2006, and has grown exponentially, becoming the second largest SC4 website.
Simtropolis (ST)
The largest SimCity 4 site on the net. The Simtropolis Exchange (STEX) is the largest exchange of CC anywhere, and new uploads are added everyday. ST has forums, a live chat, the STEX, and a unique City Journals section. The ST OmniBus has plenty of tutorials to help newcomers and old hats alike master gameplay and modding.
SimPeg
Owned by Pegasus, SimPeg has it's own CC exchange, the PLEX, and forums to discuss CC, SC4, and just general things.
Grunen
Grunen is Dr. Nikolaus Wilson's website. It is designed like a real city's site, and details the history of 'Grunen' a city in SimNation.
Shilka's SC4 Blog
Shilka's blog, where his UB, 'Quynneth' is updated, along with extras.
Synoecism
The Synoecism blog is where gorbag updates his UB, 'Synoecism', along with anything else he chooses to publish.
Aco's Blog
A place where Aco posts updates on all of his UBs, and uploads glimpses of his city, Gensokyo.