Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
The image is a seamless pattern of a fishnet.
Source Yamachem
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo