First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
CC0 and seamless wellington boot pattern.
Source SliverKnight
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A nice and simple white rotated tile pattern.
Source Another One
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
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
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
The original enhanced with one of Inkscapes's filters.
Source Firkin