Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a drawing in 'Incidents on a Journey through Nubia to Darfoor', F. Ensor, 1891.
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Prismatic Hypnotic Pattern No Background
Source GDJ
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Just like the black maze, only in light gray. Duh.
Source Peax
Prismatic Geometric Pattern Background No Black
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
A seamless pattern formed from background pattern 102
Source Firkin
White handmade paper pattern with small bumps.
Source Marquis
A seamless web texture of "green stone".
Source V. Hartikainen
A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ