A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
A seamless paper background colored in pale yellow.
Source V. Hartikainen
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Background pattern made in "Grunge-Like" style. Available in both SVG and JPG formats. Edit to your needs then click the download button.
Source V. Hartikainen
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green