This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
The image depicts polka dot seamless pattern.
Source Yamachem
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez