Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
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
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
A blue gray fabric-like texture for websites. An yet another fabric-like texture. It has subtle vertical and diagonal stripes to it.
Source V. Hartikainen
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
You guessed it – looks a bit like cloth.
Source Peax Webdesign
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin