This is a remix of "geometrical pattern 01".
Source Yamachem
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
A free background pattern with abstract green tiles.
Source V. Hartikainen
Colorful Floral Background 3 No Black
Source GDJ
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen