To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Sharp but soft triangles in light shades of gray.
Source Pixeden
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A white version of the very popular linen pattern.
Source Ant Ekşiler
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel