Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Prismatic Curved Diamond Pattern No Background
Source GDJ
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
An alternative colour scheme to the original seamless pattern.
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
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
Prismatic Polyskelion Pattern No Background
Source GDJ
You guessed it – looks a bit like cloth.
Source Peax Webdesign
The classic notebook paper with horizontal stripes.
Source Are Sundnes
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Abstract Tiled Background Extended 10
Source GDJ
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin