Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
A new one called white wall, not by me this time.
Source Yuji Honzawa
Abstract Ellipses Background Grayscale
Source GDJ
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
8 by 8 pixels, and just what the title says.
Source pixilated
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
A new take on the black linen pattern. Softer this time.
Source Atle Mo
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
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
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin