A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Continuing the geometric trend, here is one more.
Source Mike Warner
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
A seamless pattern formed from background pattern 102
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker