A free seamless background pattern for use on websites.
Source V. Hartikainen
Classic 45-degree pattern, light version.
Source Luke McDonald
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Here I have tried to create something that would look like maple wood. Not sure how well it's turned out, but at least it looks like wood.
Source V. Hartikainen
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
A blue gray fabric-like texture for websites. An yet another fabric-like texture. It has subtle vertical and diagonal stripes to it.
Source V. Hartikainen
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin