Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
Prismatic Basic Pattern 2 No Background
Source GDJ
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
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
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media