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
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Abstract Background Design No Black
Source GDJ
Colour version of the original pattern.
Source Firkin
A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
A bit strange this one, but nice at the same time.
Source Diogo Silva