If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
A version without colours blended together to give a different look.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Element of beach pattern with background.
Source Rones
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett