This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Prismatic Groovy Concentric Background No Black
Source GDJ
A nice looking light gray background pattern with diagonal stripes.
Source V. Hartikainen
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
Abstract Tiled Background Extended 6
Source GDJ
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Prismatic Polka Dots Mark II No Background
Source GDJ
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
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
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
The image is a seamless pattern of a fishnet.
Source Yamachem
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
A pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin