Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
8 by 8 pixels, and just what the title says.
Source pixilated
Prismatic Abstract Geometric Background 5
Source GDJ
Fix side and a seamless pattern formed from circles.
Source SliverKnight
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin