A heavy hitter at 400x400px, but lovely still.
Source Breezi
Black brick wall pattern. Brick your site up!
Source Alex Parker
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
A repeating background of beige (or is it more vanilla yellow) textured stripes. One more background with stripes.
Source V. Hartikainen
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Classic vertical lines, in all its subtlety.
Source Cody L