A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
This one is amazing, truly original. Go use it!
Source Viahorizon
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Black brick wall pattern. Brick your site up!
Source Alex Parker
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
Spice up your next school project with this icon background.
Source Swetha