CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
A version without colours blended together to give a different look.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos