Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
Black brick wall pattern. Brick your site up!
Source Alex Parker
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Background pattern originally a PNG drawn in Paint.net
Source Firkin
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Alternative colour scheme for the original floral pattern.
Source Firkin
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo