GIMP
- Scrambled Letters Brushes
- Scratchout Brushes
- Scribbles n Doodles Brushes
- Digital Camo Image
- Stonework I Images
- Shattered Glass Brushes
- Silhouettes Brushes
- Snow & Flakes Brushes
- Snowflake Vectors Brushes
- Space Brushes
- Spanish Moss Brushes
- Sparklies Brushes
- Special Effects Brushes
- Speech Bubbles Brushes
- Splats & Splatters Brushes
- Spring Sketches Brushes
- St Patrick's Day Brushes
- Stars Brushes
- Stitches Brushes
- Stitching (Sewing) Brushes
- Swirl Parts Brushes
- Swirls II Brushes
- Swirls I Brushes
- Tech Brushes
- Tech Pixels Brushes
- Textures Brushes
- Travel Sketches Brushes