This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Dark blue concrete wall with some small dust spots.
Source Atle Mo
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
White circles connecting on a light gray background.
Source Mark Collins
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Alternative colour scheme for the original floral pattern.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin