You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A rusty grunge background for websites. Feel free to use it in your site's theme.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
The image is a seamless pattern of a fishnet.
Source Yamachem
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
The image is a design of blue glass.How about using it as background image?
Source Yamachem
Pattern formed from simple shapes. Black version.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Just a nice looking textured pattern with faded blue stripes. Well, that's it for today... one background a day, as usual.
Source V. Hartikainen
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz