People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
It’s big, it’s gradient—and it’s square.
Source Brankic1979
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Here's a new background image for websites with a seamless pink texture. It should look beautiful with website themes where light pink background is needed. The background is seamless, therefore it should be used as a tiled background.
Source V. Hartikainen
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
ZeroCC tileabel stone granite texture, edited from pixabay. CC0
Source Sojan Janso
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
"Beige Stone", Tileable Texture.
Source V. Hartikainen
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin