A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
It’s big, it’s gradient—and it’s square.
Source Brankic1979
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
Abstract Tiled Background Extended 10
Source GDJ
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin