Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Prismatic Geometric Pattern Background
Source GDJ
Prismatic Abstract Background Design No Black
Source GDJ
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
8 by 8 pixels, and just what the title says.
Source pixilated
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
A white version of the very popular linen pattern.
Source Ant Ekşiler