A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base 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
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
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
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Background pattern originally a PNG drawn in Paint.net
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo