CC0 and seamless wellington boot pattern.
Source SliverKnight
Remixed 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
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. A version of the original with random colors.
Source Firkin
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Background formed from the original with an emboss effect.
Source Firkin
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Prismatic Groovy Concentric Background 3
Source GDJ
Prismatic Chevrons Pattern 5 With Background
Source GDJ
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
A black tile-able background with paper-like texture.
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
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin