The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
A free seamless background pattern for use on websites.
Source V. Hartikainen
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
Adapted 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
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
This one is amazing, truly original. Go use it!
Source Viahorizon
Sort of reminds me of those old house wallpapers.
Source Tish
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Sharp pixel pattern, just like the good old days.
Source Paridhi
Zero CC tileable dry grass texture, photographed and made by me. CC0
Source Sojan Janso
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo