Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
This could be a hippy vintage wallpaper.
Source Tileable Patterns
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Black brick wall pattern. Brick your site up!
Source Alex Parker
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
CC0 and seamless wellington boot pattern.
Source SliverKnight
The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.
Source Firkin
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk