Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
Prismatic Groovy Concentric Background 4
Source GDJ
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin