I know, I know, I'm Captain Obvious, but let's just get the easy ones out of the way before we start looking at more obscure craft sites. Craftster is another community crafting website that will make your bookmarks folder cry. Here you can share your own crafts, find inspiration, follow a tutorial or ask questions about crafting techniques.
Pictured: Monokuro Boo, Cupcake Bath Bombs, Peruvian Thread Earrings, Knitted Mouse.
Also, for inspiration, just look at this "cute as a button" bag!