To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A black tile-able background with paper-like texture.
Source V. Hartikainen
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A repeating background with seamless texture of stone. There haven't been any stone-like backgrounds for a while, so I have decided to create one more. The rest can be found in the appropriate category.
Source V. Hartikainen
A bit of scratched up grayness. Always good.
Source Dmitry
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
A comeback for you: the popular Escheresque, now in black.
Source Patten
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
A brown metallic grid pattern layered on top of a dark fabric texture. It should look great when using as a tiled background on web pages, especially blogs.
Source V. Hartikainen
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin