Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Black And White Floral Pattern Background from PDP.
Source GDJ
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Almost like little fish shells, or dragon skin.
Source Graphiste
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Original seamless pattern with an Inkscape filter.
Source Firkin
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod