I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Alternative colour scheme for the original floral pattern.
Source Firkin
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
The image depicts the Japanese Edo pattern called "seigaiha" or "青海波" meaning "blue -sea- wave".I hope it's suitable for the summer season.
Source Yamachem
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
A comeback for you: the popular Escheresque, now in black.
Source Patten
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
A version without colours blended together to give a different look.
Source Firkin
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin