Geometric triangles seem to be quite hot these days.
Source Pixeden
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Abstract Tiled Background Extended 11
Source GDJ
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
Seamless Green Tile Background
Source V. Hartikainen
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin