Wood Background Pattern #882
Wood CC BY-SA 3.0A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
More Textures
Pine Bark #1276
Wall CC 0Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
Black Linen 2 #103
Dark CC BY-SA 3.0A new take on the black linen pattern. Softer this time.
Source Atle Mo
Dark Leather@2X #130
Dark CC BY-SA 3.0You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Background Patterns - Emerald #252
Fabric CC 0If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Old Mathematics #43
Stripes CC BY-SA 3.0This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Spotted Light Yellow BG Pattern #1216
Yellow CC BY-SA 3.0This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
Seamless Green Tile Background #1326
Green CC BY-SA 3.0Seamless Green Tile Background
Source V. Hartikainen
Background pattern 302 (colour 2) #1893
Dark CC 0The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
Square ornament 26 #2590
Dark CC 0Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Diagonal Striped Brick #679
Stripes CC BY-SA 3.0Might not be super subtle, but quite original in its form.
Source Alex Smith
Dark Blue Gray Wallpaper Texture #901
Stripes CC BY-SA 3.0This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
Noisy Net #976
Dark CC BY-SA 3.0Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Strange Bullseyes #865
Light CC BY-SA 3.0This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
Background pattern 251 #2167
Dark CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
honeycomb-regular hexagon #2540
Grid CC 0This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Circles@2X #186
Light CC BY-SA 3.0One more sharp little tile for you. Subtle circles this time.
Source Blunia
Fabric 6 (colour 5) #2591
Green CC 0An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
"Black Metal Grid", Seamless Background Pattern #1080
Metal CC BY-SA 3.0A free seamless background pattern for use on websites.
Source V. Hartikainen
Floral background 17 (colour 3) #1849
Blue CC 0Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Background pattern 6 #225
Noise CC 0Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
GPlay #735
Light CC BY-SA 3.0A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra