A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
An alternative colour scheme to the original seamless pattern.
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
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady