Brushed Alum #67
 Light  CC BY-SA 3.0

A light brushed aluminum pattern for your pleasure.

Source Tim Ward

 More Textures
Diagonal Waves #1006
 Gray  CC BY-SA 3.0

It has waves, so make sure you don’t get sea sickness.

Source CoolPatterns

Real Carbon Fiber #286
 Carbon  CC BY-SA 3.0

Carbon fiber is never out of fashion, so here is one more style for you.

Source Alfred Lee

Prismatic Curved Diamond Pattern No Background #536
 Diamond  CC 0

Prismatic Curved Diamond Pattern No Background

Source GDJ

Page ornament 53 #2060
 Dark  CC 0

Remixed from a drawing in 'The Canadian horticulturist', 1892

Source Firkin

Starting Diamond Shape #137
 Light  CC BY-SA 3.0

Simple blue and line to mix.

Source SliverKnight

Sponge A2-6 #2129
 Wall  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Green Subtle Web Texture #1334
 Green  CC BY-SA 3.0

A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).

Source V. Hartikainen

[email protected] #576
 Dark  CC BY-SA 3.0

Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!

Source Dertig Media

Kaleidoscope Prismatic Abstract No Background #387
 Noise  CC 0

Kaleidoscope Prismatic Abstract No Background

Source GDJ

Background pattern 230 (colour 3) #2303
 Green  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Background pattern 9 (colour) #214
 Noise  CC 0

Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net

Source Firkin

Prismatic Abstract Geometric Background 4 No [email protected]@2X #444
 Dark  CC 0

Prismatic Abstract Geometric Background 4

Source GDJ

Background pattern 306 (colour 3) #1880
 Colorful  CC 0

Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.

Source Firkin

Background pattern 252 (colour) #2161
 Colorful  CC 0

Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Floral design 87 #1886
 Dark  CC 0

From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.

Source Firkin

Prismatic Groovy Concentric Background 2 No [email protected] #456
 Noise  CC 0

Prismatic Groovy Concentric Background 2 No Black

Source GDJ

Circles pattern #1917
 Yellow  CC 0

Fix side and a seamless pattern formed from circles.

Source SliverKnight

Wall #1244
 Wall  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso

Background pattern 308 (colour 5) #1869
 Blue  CC 0

Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.

Source Firkin

Stone Wall & Gray #1512
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Crackled Wall #1272
 Wall  CC 0

Zero CC tileable ground cracked, crackled, texture, made by me.

Source Sojan Janso

[email protected] #349
 Light  CC BY-SA 3.0

White circles connecting on a light gray background.

Source Mark Collins

Dark Well #1259
 Wall  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso

Modern #1686
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Page ornament 29 #2307
 Red  CC 0

From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.

Source Firkin

Subtle Grunge #1040
 Light  CC BY-SA 3.0

A heavy hitter at 400x400px, but lovely still.

Source Breezi

Decorative divider 282 #1857
 Dark  CC 0

From a drawing in 'In an Enchanted Island', William Mallock, 1892.

Source Firkin

Retro Circles Background 5 No Black #426
 Noise  CC 0

Retro Circles Background 5 No Black

Source GDJ