From an image on opengameart.org shared by rubberduck.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
The base gradient edited so now more details are rendered.
Source Lazur URH
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
A repeating background with wood/straw like texture.
Source V. Hartikainen
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
A bit strange this one, but nice at the same time.
Source Diogo Silva
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering