A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
A free seamless background with pink spots.
Source V. Hartikainen
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
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
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin