Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Groovy Concentric Background
Source GDJ
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Abstract Tiled Background Extended 6
Source GDJ
Almost like little fish shells, or dragon skin.
Source Graphiste
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
A nice and simple white rotated tile pattern.
Source Another One
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel