One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Prismatic Geometric Pattern Background 2
Source GDJ
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso