Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Background pattern originally a PNG drawn in Paint.net
Source Firkin
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Similar to original, but without gaps in between the arrows. This seamless pattern was created from a rectangular tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin