CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Prismatic Snowflakes Pattern No Background
Source GDJ
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Use shift+alt+i on the selected rectangle in Inkscape to get the tile this is based on
Source Firkin
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
ZeroCC tileabel stone granite texture, edited from pixabay. CC0
Source Sojan Janso