A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Lovely pattern with splattered vintage speckles.
Source David Pomfret
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
More in the paper realm, this time with fibers.
Source Jorge Fuentes
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen