This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett