Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
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