This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Black And White Floral Pattern Background from PDP.
Source GDJ
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen