Binding Light #1136
 Light  CC BY-SA 3.0

Light gray version of the Binding pattern that looks a bit like fabric.

Source Newbury

 More Textures
Light Aluminum #304
 Wall  CC BY-SA 3.0

Used correctly, this could be nice. Used in a bad way, all hell will break loose.

Source Atle Mo

Shine [email protected] #714
 Grid  CC BY-SA 3.0

It’s like Shine Dotted’s sister, only rotated 45 degrees.

Source mediumidee

"Dark Metal Plate", Web Background #1084
 Metal  CC BY-SA 3.0

A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.

Source V. Hartikainen

Background pattern 277 #2029
 Dark  CC 0

A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.

Source Firkin

Brick Wall #1146
 Wall  CC BY-SA 3.0

One more brick pattern. A bit more depth to this one.

Source Benjamin Ward

Background pattern 21 #205
 Light  CC 0

A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.

Source Firkin

Scallop #1690
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Snow #627
 Wall  CC BY-SA 3.0

Real snow that tiles, not easy. This is not perfect, but an attempt.

Source Atle Mo

Worn Out Cardboard #1214
 Cardboard  CC BY-SA 3.0

A seamless texture of worn out "cardboard".

Source V. Hartikainen

Floors & Block #1603
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Leaded glass background #2049
 Colorful  CC 0

Seamless pattern the tile.

Source Firkin

Sponge A2-3 #2126
 Wall  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Green [email protected] #92
 Dark  CC BY-SA 3.0

The green fibers pattern will work very well in grayscale as well.

Source Matteo Di Capua

Abstract Tiled Background Extended 7 #518
 Dark  CC 0

Abstract Tiled Background Extended 7

Source GDJ

Sponge A2-2 #2125
 Yellow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Use Your Illusion #917
 Dark  CC BY-SA 3.0

A dark one with geometric shapes and dotted lines.

Source Mohawk Studios

Graphcoders Lil Fiber #729
 Fabric  CC BY-SA 3.0

Tiny little fibers making a soft and sweet look.

Source Badhon Ebrahim

More Rough Wood 1 #1427
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Background cubic #238
 Dark  CC 0

Fondo en falsa perpectiva

Source Roshellin

Gradient [email protected] #694
 Grid  CC BY-SA 3.0

It’s big, it’s gradient—and it’s square.

Source Brankic1979

Iron Wrought & Black #1657
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

[email protected] #948
 Light  CC BY-SA 3.0

The name tells you it has curves. Oh yes, it does!

Source Peter Chon

Ribbon pattern 2 (version 2, colour 4) #2036
 Colorful  CC 0

The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Background pattern 336 #1721
 Pink  CC 0

Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.

Source Firkin

Block Well #1698
 Colorful  CC 0

Background Wall, Art Abstract, Block Well & CC0 texture.

Source Ractapopulous

Retro Intro #893
 Gray  CC BY-SA 3.0

A slightly more textured pattern, medium gray. A bit like a potato sack?

Source Bilal Ketab

Decorative divider 238 #2088
 Dark  CC 0

From a drawing in 'The Quiver of Love', Walter Crane, 1876

Source Firkin

Rough Diagonal #691
 Fabric  CC BY-SA 3.0

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

Source Jorick van Hees

Rough [email protected] #692
 Fabric  CC BY-SA 3.0

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

Source Jorick van Hees