A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
This one needs to be used in small areas; you can see it repeat.
Source Luca
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
An alternative colour scheme to the original seamless pattern.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight