A free seamless background with pink spots.
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Prismatic Floral Background No Black
Source GDJ
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Sharp pixel pattern, just like the good old days.
Source Paridhi
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
Sort of reminds me of those old house wallpapers.
Source Tish
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ