An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
If you want png files of thisu can download them here :
Source Viscious-Speed
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
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
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
The texture of this background image has some similarities with leather, and it's colored in a dark brown color. So, if you are looking for a dark brown background image for your website, this may be an option for you.
Source V. Hartikainen
Prismatic Hexagonalism Pattern No Background
Source GDJ
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ