A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A repeating background with a look of paper. I have added some changes to PatCreator. Now you can share your designs by submitting them to a new gallery section. Start by clicking Edit with PatCreator above.
Source V. Hartikainen
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
A seamless pattern with a unit cell drawn as a bitmap in Paint.net and vectorized in Vector Magic.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Abstract Geometric Background 2
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
A seamless pattern formed from background pattern 102
Source Firkin
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin