From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
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
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
Prismatic Geometric Pattern Background 2 No Black
Source GDJ