CGTrader - CGTrader is an online marketplace at which artists can sell and buy Revit and 3D models.
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
3DOcean - 3D Models & Accessories From $1 for 3D Models, Textures, Materials & Shaders, 2D Concepts...
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
TurboSquid - TurboSquid offers 3D models for professionals.
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.