Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
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 free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
Prismatic Geometric Pattern Background No Black
Source GDJ
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
It’s big, it’s gradient—and it’s square.
Source Brankic1979
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
The classic notebook paper with horizontal stripes.
Source Are Sundnes
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
This is a seamless pattern of a woody texture.The original image is here:https://pixabay.com/ja/users/ClassicallyPrinted-1302233/
Source Yamachem