Brushes, Textures, Stock

- rainharbour.net (a website with brushes, textures, stock images, gradients ...)

Textures

- DeviantART (loads of textures by different artists)

Brushes

- DeviantART (loads of brushes from different artists)
- Miinc Design (42 free brushes)
- The 5. Muse
- PS Brushes (a huge link collection with previews)
- vbrush

Fonts

- dafont (7624 free fonts)
- Absolute Fonts Archive (6800 free fonts)
- Famous Fonts (fonts from movies, tv shows, music, games ...)
- Acid Fonts
- TypeNow (6846 free fonts)
- DeviantART (loads of fonts by different artists)
- typOasis