Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
8 by 8 pixels, and just what the title says.
Source pixilated
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
This is the remix of "Strawberry Pattern Background" uploaded by "GDJ". Thanks. I realigned strawberries so as to get seamless and changed the BG color.
Source Yamachem
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin