Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Seamless Prismatic Geometric Pattern With Background
Source GDJ
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green