After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
A version without colours blended together to give a different look.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Gold Triangular Seamless Pattern No Background
Source GDJ
Zero CC tileable bark texture, 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
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
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin