This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The name is totally random, but hey, it sounds good.
Source Atle Mo
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
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Seamless Green Tile Background
Source V. Hartikainen
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen