Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
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
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
A bit of scratched up grayness. Always good.
Source Dmitry
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin