Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Background formed from the original with an emboss effect.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
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
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Remixed from a drawing in 'Incidents on a Journey through Nubia to Darfoor', F. Ensor, 1891.
Source Firkin
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien