Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
A seamless background of warped stripes on paper.
Source V. Hartikainen
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
An alternative colour scheme to the original seamless pattern.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A pale olive green background with a seamless texture.
Source V. Hartikainen
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo