Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
A free seamless texture of reptile skin colored in a dark brown color. As always, you may use it as a repeated background image in your web design works, or for any other purposes.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
An alternative colour scheme for the original background.
Source Firkin
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Abstract Ellipses Background Grayscale
Source GDJ
White circles connecting on a light gray background.
Source Mark Collins
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A comeback for you: the popular Escheresque, now in black.
Source Patten
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
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
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem