A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Looks like an old rug or a computer chip.
Source Patutin Sergey
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Abstract Tiled Background Extended 8
Source GDJ
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
A version without colours blended together to give a different look.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Continuing the geometric trend, here is one more.
Source Mike Warner
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Alternative colour scheme. 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
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Alternative colour scheme for the original floral pattern.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo