A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A nice looking light gray background pattern with diagonal stripes.
Source V. Hartikainen
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Looks like an old rug or a computer chip.
Source Patutin Sergey
Remixed from an image on Pixabay uploaded by Prawny
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
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin