Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
The base gradient edited so now more details are rendered.
Source Lazur URH
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
A cute x, if you need that sort of thing.
Source Juan Scrocchi
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
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
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
A black tile-able background with paper-like texture.
Source V. Hartikainen
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin