A new one called white wall, not by me this time.
Source Yuji Honzawa
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
This seamless web background texture looks like gray stone. It's great for using as a background image on web pages, or on some of their elements. Anyway, I hope you will find use for it.
Source V. Hartikainen
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background 2
Source GDJ
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
CC0 and seamless wellington boot pattern.
Source SliverKnight
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin