123 Free Brushes
123Freebrushes.com is a growing free stock brush site. Right now they have over 1200 freebrushes sorted by categories for download.
Bittbox.com has all kinds of resources from brushes to textures
Brush Fed offers brush packs in all shapes and sizes
Brushcorpo has a few brushes to choose from that are unique and detail oriented
Brusheezy is a place to share free Photoshop brushes and other Photoshop-related resources.
Brush King is a collection of high quality Photoshop Brushes all for free.
Celestial Star sells several brush packs and also offers free Photoshop resources
"Designfruit provides high-quality digital and real-world designs in the form of Photoshop brushes, vectors, vinyl wall art, prints and other design goods in a range of themes including foliage, patterns, borders, vines, and tattoos; all royalty-free. "
deviantART is the largest online social network for artists and art enthusiasts with a handful of tutorials and lots of customized brushes.
"FBrushes.com is a collection of High Quality Free Photoshop Brushes, Photoshop Patterns and Textures on the net. "
GetBrushes.com offers an organized and easy way to the best brushes and other Adobe Photoshop resources on the net.
"myPhotoshopBrushes.com gathers Adobe Photoshop brushes, patterns, custom shapes, styles, gradients and tutorials created by artists from all over the world."
"Obsidian Dawn offers brushes, patterns, and shapes conveniently broken down into categories "
Photoshopbrushes.com is jam packed with resources from Brushes to Tutorials
Qbrushes.net offers all kinds of free brushes
"Shizoo is a site that features unique brushes, textures, and icon sets."
Smashing Media Noupe
Noupe delivers news for designers and web-developers on all subjects of design while providing resources as well
The 5th Muse
The 5th Muse has several different brushes to choose from