8 by 8 pixels, and just what the title says.
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
A seamless texture traced from an image on opengameart.org shared by Scouser.
*** Released Now !! ***1 Download
Lovely pattern with splattered vintage speckles.
Source David Pomfret
A free seamless texture of reptile skin colored in a dark brown color. As always, you may use it as a repeated background image in your web design works, or for any other purposes.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Geometric triangles seem to be quite hot these days.
Incoming catena. Stone & well. CC0 texture.
Gamedev - Wood Textures. CC0 License.
Source Davit Masia
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward