Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!
Source V. Hartikainen
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Classic 45-degree pattern, light version.
Source Luke McDonald
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin