Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
Element of beach pattern with background.
Source Rones
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Prismatic Polka Dots 3 No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Rounded Squares Grid 4 No Background
Source GDJ