To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
The image depicts polka dot seamless pattern.
Source Yamachem
A white version of the very popular linen pattern.
Source Ant Ekşiler
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
Prismatic Abstract Line Art Pattern Background
Source GDJ
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
A bit strange this one, but nice at the same time.
Source Diogo Silva
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Prismatic Basic Pattern 2 No Background
Source GDJ
Prismatic Groovy Concentric Background 2
Source GDJ
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
A free background pattern with abstract green tiles.
Source V. Hartikainen
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo