Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Zero CC asphalt, pavement, texture, photographed and made by me. CC0 WARNING I FOUND A SEAM ON THIS TEXTURE
Source Sojan Janso
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This is sort of fresh, but still feels a bit old school.
Source Martuchox
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
A black tile-able background with paper-like texture.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
A repeating background with wood/straw like texture.
Source V. Hartikainen
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Prismatic Groovy Concentric Background 4
Source GDJ