Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
It looks very nice I think.
Source V. Hartikainen
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
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev