Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
A free seamless background pattern for use on websites.
Source V. Hartikainen
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
This is a more minute version of "fishnet 01".The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen