Alternative colour scheme. 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
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A free seamless background pattern for use on websites.
Source V. Hartikainen
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
White circles connecting on a light gray background.
Source Mark Collins
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen