This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
The tile this is based on was adapted from an image that was uploaded to Pixabay by frolicsomepl. It can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
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
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Prismatic Snowflakes Pattern No Background
Source GDJ
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem