This was formed by distorting an image of a background on Pixabay.
Source Firkin
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Seamless pattern made from a tile that can be obtained in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
A heavy hitter at 400x400px, but lovely still.
Source Breezi
A rusty grunge background for websites. Feel free to use it in your site's theme.
Source V. Hartikainen
A seamlessly tile-able grunge background image.
Source V. Hartikainen
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Prismatic Abstract Background Design
Source GDJ
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin