Geometric triangles seem to be quite hot these days.
Source Pixeden
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Background 2
Source GDJ
A comeback for you: the popular Escheresque, now in black.
Source Patten
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
A rusty grunge background for websites. Feel free to use it in your site's theme.
Source V. Hartikainen
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin