Repeating Stone-Like Background (Dark Brown) #1056
Stone CC BY-SA 3.0A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
More Textures
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
Diagonal Noise #181
Fabric CC BY-SA 3.0A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Leafy pattern 7 #1828
Dark CC 0Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
Bark #1291
Wall CC 0Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Pyramid #895
Light CC BY-SA 3.0Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Background pattern 246 (colour 4) #2183
Green CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
Escheresque Dark #1064
Dark CC BY-SA 3.0A comeback for you: the popular Escheresque, now in black.
Source Patten
Decorative divider 208 #2366
Dark CC 0Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Background Patterns - Ebony #249
Fabric CC 0If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Chain background #2063
Dark CC 0Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
Leafy pattern (colour) #2334
Fabric CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Noise Pattern With Subtle Cross Lines #179
Grid CC BY-SA 3.0More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Old Cardboard, Background Texture #1213
Cardboard CC BY-SA 3.0A seamless background texture of old cardboard.
Source V. Hartikainen
Background pattern 9 (colour) #214
Noise CC 0Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Circles pattern #1917
Yellow CC 0Fix side and a seamless pattern formed from circles.
Source SliverKnight
Background pattern 238 #2229
Red CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Tree and bird pattern #1983
Dark CC 0From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Green Fibers #91
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Background pattern 269 #2062
Dark CC 0A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin