If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
The image is the remix of "wire-mesh fence seamless pattern" .This is a more minute version of it.Sorry for the file size.Using path>difference in Inkscape, I will cut out any silhouette from this pattern and create a "meshed silhouette".
Source Yamachem
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
From an image on opengameart.org shared by rubberduck.
Source Firkin
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers