This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Lovely pattern with splattered vintage speckles.
Source David Pomfret
A free seamless background with pink spots.
Source V. Hartikainen
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Prismatic Curved Diamond Pattern No Background
Source GDJ
A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
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
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
If you want png files of thisu can download them here :
Source Viscious-Speed
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The following orange background pattern resembles a honeycomb.
Source V. Hartikainen