If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
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
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
Pattern formed from simple shapes. Black version.
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
Green Background Pattern
Source V. Hartikainen
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek