Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Sometimes you just need the simplest thing.
Source Fabricio
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
The image is the remix of "wire-mesh fence seamless pattern" .This is a more minute version of it.Sorry for the file size.Using path>difference in Inkscape, I will cut out any silhouette from this pattern and create a "meshed silhouette".
Source Yamachem
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Geometric triangles seem to be quite hot these days.
Source Pixeden
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin