A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Free tiled background with colorful stripes and white splatter.
Source V. Hartikainen
Prismatic Snowflakes Pattern No Background
Source GDJ
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
ZeroCC tileabel stone granite texture, edited from pixabay. CC0
Source Sojan Janso
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Prismatic Geometric Pattern Background 2
Source GDJ
Prismatic Abstract Geometric Background 4
Source GDJ
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Prismatic Abstract Line Art Pattern Background
Source GDJ
Continuing the geometric trend, here is one more.
Source Mike Warner
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin