These patterns were originally for Nautilus, the GNOME file manager (now called “Files”), when it supported having images as backgrounds. They are still good for some other programs though so I touched them up a bit.
I designed these so readability was good with them which was the key factor. A background I feel is to help with the comfort-ability of the area. They are barely noticed and add grip to the area. An original example:
And here is a view of them all: