"Black Stripes", Background Pattern #966
Stripes CC BY-SA 3.0A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
More Textures
Background pattern 215 (colour 4) #2368
Green CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Fabric of Squares@2X #1096
Light CC BY-SA 3.0As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Wooden planks #2571
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Background Patterns - Aubergine #247
Fabric CC 0If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Fake Luxury #621
Diamond CC BY-SA 3.0Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Vintage Speckles #653
Wall CC BY-SA 3.0Lovely pattern with splattered vintage speckles.
Source David Pomfret
polka dot seamless pattern remix 02 #2495
Pink CC 0This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Pool Table@2X #176
Wall CC BY-SA 3.0This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Grilled Noise #581
Fabric CC BY-SA 3.0You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Old Moon #1201
Gray CC BY-SA 3.0Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Background pattern 234 (colour 4) #2256
Pink CC 0Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Tiny Grid@2X #892
Light CC BY-SA 3.0You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Decorative divider 211 #2362
Dark CC 0From a drawing in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Triangular ornament 32 #2435
Dark CC 0Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Fall Leaves #243
Fabric CC 0Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
Light Paper Fibers@2X #836
Paper CC BY-SA 3.0More in the paper realm, this time with fibers.
Source Jorge Fuentes
Page ornament #1988
Dark CC 0From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Merely Cubed #589
Grid CC BY-SA 3.0Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Cork Panel Background Texture #869
Wood CC BY-SA 3.0This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen