Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A repeating background with wood/straw like texture.
Source V. Hartikainen
Prismatic Groovy Concentric Background 4
Source GDJ
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Prismatic Abstract Geometric Background 2
Source GDJ
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Groovy Concentric Background
Source GDJ
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin