Remixed from a drawing in 'Очерки Русской Исторіи въ памятникахъ быта', Petr Polevoi, 1879.
Source Firkin
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Neat little photography icon pattern.
Source Hossam Elbialy
Black And White Floral Pattern Background Inverse
Source GDJ
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin