A free pink background pattern.
Source V. Hartikainen
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Black And White Floral Pattern Background from PDP.
Source GDJ
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Looks like an old rug or a computer chip.
Source Patutin Sergey
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Colour version of the original pattern.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
A seamless pattern formed from background pattern 102
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The image depicts polka dot seamless pattern.
Source Yamachem
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
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 texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel