I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
A light gray fabric pattern with faded vertical stripes.
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
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Here I have tried to create something that would look like maple wood. Not sure how well it's turned out, but at least it looks like wood.
Source V. Hartikainen
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin