CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Sort of reminds me of those old house wallpapers.
Source Tish
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
As the original image 's page size is too large for its image size, I remixed it.
Source Yamachem
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
Black And White Floral Pattern Background from PDP.
Source GDJ
A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin