A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Remixed from a drawing in 'Очерки Русской Исторіи въ памятникахъ быта', Petr Polevoi, 1879.
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
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Alternative colour scheme for the original floral pattern.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
This was formed by distorting an image of a background on Pixabay.
Source Firkin