Used a cherry by doctormo to make this seamless pattern
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Prismatic Floral Background No Black
Source GDJ
A rusty grunge background for websites. Feel free to use it in your site's theme.
Source V. Hartikainen
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
Alternative colour scheme to the original.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
This is a hot one. Small, sharp and unique.
Source GraphicsWall
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
A free seamless texture of reptile skin colored in a dark brown color. As always, you may use it as a repeated background image in your web design works, or for any other purposes.
Source V. Hartikainen
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
A free seamless background with pink spots.
Source V. Hartikainen