Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Geometric triangles seem to be quite hot these days.
Source Pixeden
Continuing the geometric trend, here is one more.
Source Mike Warner
Sharp pixel pattern, just like the good old days.
Source Paridhi
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo