Continuing the geometric trend, here is one more.
Source Mike Warner
Prismatic Groovy Concentric Background 3
Source GDJ
The following free background pattern has glossy diagonal stripes as a texture to it, and it's colored in a light blue gray color. This background pattern is suitable for using in web design or any other graphic design projects. This applies to all background patterns here.
Source V. Hartikainen
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
There are many carbon patterns, but this one is tiny.
Source Designova
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
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
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin