Prismatic Polka Dots Mark II No Background
Source GDJ
Background formed from the original with an emboss effect.
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
A free seamless background pattern for use on websites.
Source V. Hartikainen
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
This could be a hippy vintage wallpaper.
Source Tileable Patterns
CC0 and seamless wellington boot pattern.
Source SliverKnight
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud