Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
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
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin