Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
Prismatic Polka Dots Mark II No Background
Source GDJ
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
Seamless Green Tile Background
Source V. Hartikainen
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Abstract Geometric Background 5
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Prismatic Triangular Background Design Mark II 5
Source GDJ
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Black brick wall pattern. Brick your site up!
Source Alex Parker
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin