CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Sharp but soft triangles in light shades of gray.
Source Pixeden
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
An alternative colour scheme for the original background.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab