This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Psychedelic Geometric Background No Black
Source GDJ
A seamless pattern formed from background pattern 102
Source Firkin
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
A free seamless background pattern for use on websites.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ