I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The original enhanced with one of Inkscapes's filters.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Retro Circles Background 5 No Black
Source GDJ
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
Colourful background achieved with gradient fills.
Source Firkin
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
A version without colours blended together to give a different look.
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak