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
Remixed from a drawing in 'Incidents on a Journey through Nubia to Darfoor', F. Ensor, 1891.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Prismatic Groovy Concentric Background 2
Source GDJ
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
This seamless web background texture looks like gray stone. It's great for using as a background image on web pages, or on some of their elements. Anyway, I hope you will find use for it.
Source V. Hartikainen
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. Version with black background.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin