Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
A seamless web texture of "green stone".
Source V. Hartikainen
Abstract Tiled Background Extended 8
Source GDJ
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Sometimes you just need the simplest thing.
Source Fabricio
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
Remixed from a drawing in 'Очерки Русской Исторіи въ памятникахъ быта', Petr Polevoi, 1879.
Source Firkin