Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Seamless SVG vector and JPG backgrounds with faded diagonal stripes. The colors are editable.
Source V. Hartikainen
White circles connecting on a light gray background.
Source Mark Collins
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
A seamless background of warped stripes on paper.
Source V. Hartikainen
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
Black brick wall pattern. Brick your site up!
Source Alex Parker
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo