Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
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
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Original seamless pattern with an Inkscape filter.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
This is a remix of "flower seamless pattern".I rotated the original image by 90 degrees.This is a seamless pattern of flowers.These horizontal wavy lines are one of Edo patterns which is called "tatewaku or tachiwaku or 立湧" that represents uprising steam or vapor.
Source Yamachem
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight