Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
From an image on opengameart.org shared by rubberduck.
Source Firkin
Sharp but soft triangles in light shades of gray.
Source Pixeden
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
A brown metallic grid pattern layered on top of a dark fabric texture. It should look great when using as a tiled background on web pages, especially blogs.
Source V. Hartikainen
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
The classic notebook paper with horizontal stripes.
Source Are Sundnes
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Free tiled background with colorful stripes and white splatter.
Source V. Hartikainen
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin