Geometric triangles seem to be quite hot these days.
Source Pixeden
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
8 by 8 pixels, and just what the title says.
Source pixilated
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
You guessed it – looks a bit like cloth.
Source Peax Webdesign
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin