toptal.com
Subtle Patterns is a Toptal-provided collection of free textures for web projects. The library includes patterns such as Pink Flowers, Moroccan Flower, Watercolor, Leaves, Paisley, Dark Denim and Fancy Cushion, each with a listed creator and date and a download link. Submissions must be tileable PNG or GIF files created by the uploader, and accepted entries are made available free under Creative Commons.