This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
Classic vertical lines, in all its subtlety.
Source Cody L
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
A comeback for you: the popular Escheresque, now in black.
Source Patten
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
A seamless pattern formed from background pattern 102
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo