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
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Prismatic Curved Diamond Pattern No Background
Source GDJ
A repeating background of beige paper with vintage look. Repeats to infinity, as usual.
Source V. Hartikainen
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Black brick wall pattern. Brick your site up!
Source Alex Parker
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
The original enhanced with some gradients.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
A background pattern with a look of rough fabric.
Source V. Hartikainen