Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Original minus the background
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
It looks very nice I think.
Source V. Hartikainen
More in the paper realm, this time with fibers.
Source Jorge Fuentes
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Prismatic Geometric Pattern Background
Source GDJ
Pattern formed from simple shapes. Black version.
Source Firkin
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin