One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Classic 45-degree pattern, light version.
Source Luke McDonald
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
Colourful background achieved with gradient fills.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers