Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Fix side and a seamless pattern formed from circles.
Source SliverKnight
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
A classic dark tile for a bit of vintage darkness.
Source Listvetra
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
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
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
From a drawing in 'La Principauté de Liège et les Pays-Bas au XVIe siècle', Société des Bibliophiles Liégeois ,1887.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ