The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Prismatic Polyskelion Pattern No Background
Source GDJ
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Remixed from a drawing in 'An Index to Deering's Nottinghamia Vetus et Nova', Rupert Chicken, 1899. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
Light and tiny, just the way you like it.
Source Rohit Arun Rao
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
This background has abstract texture with some similarities to wood.
Source V. Hartikainen