Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin