Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Dark blue concrete wall with some small dust spots.
Source Atle Mo
A free background tile with a pattern of pink bump dots. This background tile is sweet! Moreover, it's designed for use as website backgrounds.
Source V. Hartikainen
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Abstract Tiled Background Extended 12
Source GDJ
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
A seamless texture of a rough concrete surface.
Source V. Hartikainen
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
Alternative colour scheme. 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
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors