In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
From a drawing in 'Danmarks Riges Historie af J. Steenstrup, Kr. Erslev, A. Heise, V. Mollerup, J. A. Fridericia, E. Holm, A. D. Jørgensen', 1897.
Source Firkin
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
The tile this is based on was adapted from an image that was uploaded to Pixabay by frolicsomepl. It can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
Continuing the geometric trend, here is one more.
Source Mike Warner
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Sharp pixel pattern, just like the good old days.
Source Paridhi
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
Abstract Tiled Background Extended 12
Source GDJ
This is a remix of "flower seamless pattern".I rotated the original image by 90 degrees.This is a seamless pattern of flowers.These horizontal wavy lines are one of Edo patterns which is called "tatewaku or tachiwaku or 立湧" that represents uprising steam or vapor.
Source Yamachem
Here's a new background image for websites with a seamless pink texture. It should look beautiful with website themes where light pink background is needed. The background is seamless, therefore it should be used as a tiled background.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin