Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
Neat little photography icon pattern.
Source Hossam Elbialy
This is the remix of "Colorful Floral Pattern Background 3" uploaded by "GDJ". Thanks.
Source Yamachem
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Prismatic Groovy Concentric Background
Source GDJ
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov