Here I have tried to create something that would look like maple wood. Not sure how well it's turned out, but at least it looks like wood.
Source V. Hartikainen
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
A nice and simple white rotated tile pattern.
Source Another One
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Sometimes you just need the simplest thing.
Source Fabricio
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein