CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Continuing the geometric trend, here is one more.
Source Mike Warner
Green Background Pattern
Source V. Hartikainen
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Chevrons Pattern 5 With Background
Source GDJ
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
Prismatic Rounded Squares Grid 3 No Background
Source GDJ