To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
A new take on the black linen pattern. Softer this time.
Source Atle Mo
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Colourful background achieved with gradient fills.
Source Firkin