Black Leather Texture (Seamless) #1118
 Leather  CC BY-SA 3.0

A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.

Source V. Hartikainen

 More Textures
[email protected] #754
 Light  CC BY-SA 3.0

This is so subtle you need to bring your magnifier!

Source Carlos Valdez

Background pattern 203 (colour 2) #2485
 Green  CC 0

A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Floral pattern 6 (colour 3) #2459
 Fabric  CC 0

Alternative colour scheme for the original floral pattern.

Source Firkin

Stylized lion design #2089
 Dark  CC 0

Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.

Source Firkin

Leaded glass background #2049
 Colorful  CC 0

Seamless pattern the tile.

Source Firkin

Background pattern 309 (colour 4) #1863
 Green  CC 0

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

Source Firkin

Wavy background #2016
 Pink  CC 0

A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic

Source Firkin

Dark Stripes #39
 Dark  CC BY-SA 3.0

Very dark pattern with some noise and 45-degree lines.

Source Stefan Aleksić

Specular & Small Block #1642
 Metal  CC 0

Metal-Processed. CC0 License.

Source Unknow

More Rough Wood 7 #1433
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

"Light Green Wall", Repeatable Texture #1190
 Concrete  CC BY-SA 3.0

Here's a repeatable texture that resembles a light green concrete wall or something similar.

Source V. Hartikainen

Eight Horns #1325
 Light  CC BY-SA 3.0

Looks like an old rug or a computer chip.

Source Patutin Sergey

Page ornament 53 #2060
 Dark  CC 0

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

Source Firkin

Foggy [email protected] #580
 Light  CC BY-SA 3.0

Hey, you never know when you’ll need a bird pattern, right?

Source Pete Fecteau

Background Patterns - Ebony #249
 Fabric  CC 0

If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117

Source Viscious-Speed

White Bed Sheet #821
 Light  CC BY-SA 3.0

Nothing like a clean set of bed sheets, huh?

Source Badhon Ebrahim

Mix & Blue Pattern #1628
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

[email protected] #118
 Grid  CC BY-SA 3.0

Dark squares with some virus-looking dots in the grid.

Source Hugo Loning

Background pattern 306 (colour 6) #1878
 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

Orange Gingham Checkered Background #258
 Stripes  CC 0

From PDP.

Source GDJ

Gray Floral #755
 Gray  CC BY-SA 3.0

Floral patterns might not be the hottest thing right now, but you never know when you need it!

Source Lauren

Rough Diagonal #691
 Fabric  CC BY-SA 3.0

The classic 45-degree diagonal line pattern, done right.

Source Jorick van Hees

Gray Dark #1238
 Gray  CC BY-SA 3.0

Free cc0, hope you will like!

Source SliverKnight

White Wall #771
 Wall  CC BY-SA 3.0

A huge one at 800x600px. Made from a photo I took going home after work.

Source Atle Mo

Subtle Surface #925
 Light  CC BY-SA 3.0

Super subtle indeed, a medium gray pattern with tiny dots in a grid.

Source Designova

Pattern & Plywood #1347
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Diagonal Striped Brick #679
 Stripes  CC BY-SA 3.0

Might not be super subtle, but quite original in its form.

Source Alex Smith

Iron Grip #587
 Dark  CC BY-SA 3.0

Sounds like something from World of Warcraft. Has to be good.

Source Tony Kinard

Floral pattern 7 (colour 3) #2289
 Pink  CC 0

Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.

Source Firkin