Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
From a drawing in 'Danmarks Riges Historie af J. Steenstrup, Kr. Erslev, A. Heise, V. Mollerup, J. A. Fridericia, E. Holm, A. D. Jørgensen', 1897.
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
Original minus the background
Source Firkin
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Looks like an old wall. I guess that’s it then?
Source Viahorizon
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso