A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
A version without colours blended together to give a different look.
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
"Beige Stone", Tileable Texture.
Source V. Hartikainen
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8