I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
The texture of this background image has some similarities with leather, and it's colored in a dark brown color. So, if you are looking for a dark brown background image for your website, this may be an option for you.
Source V. Hartikainen
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
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
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Groovy Concentric Background 4
Source GDJ
Vector version of a JPG that was uploaded to Pixabay by theasad121
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
Inspired by a pattern I saw in a 19th century book. This seamless pattern was created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos