Floral background 18 (negative) #1832
 Dark  CC 0

Negative version of the original

Source Firkin

 More Textures
Mix & Gray Pattern #1631
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Abstract Tiled Background Extended 12 #523
 Noise  CC 0

Abstract Tiled Background Extended 12

Source GDJ

Glass & Gray #1624
 Gray  CC 0

Glass. CC0 License.

Source Unknow

Background pattern 246 (colour 4) #2183
 Green  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

Perforated White [email protected] #636
 Light  CC BY-SA 3.0

A bit of scratched up grayness. Always good.

Source Dmitry

Grey Washed Wall #1128
 Wall  CC BY-SA 3.0

This is a semi-dark pattern, sort of linen-y.

Source Sagive SEO

Floral #1679
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Background pattern yellow #1999
 Yellow  CC 0

Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Sand #1364
 Unknow  CC 0

Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!

Source Linolafett

Weave #733
 Wall  CC BY-SA 3.0

Medium gray pattern with small strokes to give a weave effect.

Source Catherine

Dark Line #1294
 Stone  CC 0

ZeroCC tileable stone texture, edited from pixabay. CC0

Source Sojan Janso

Retro Circles Background 4 #420
 Dark  CC 0

Retro Circles Background 4

Source GDJ

Floral background 17 (colour 2) #1850
 Orange  CC 0

Remixed from a JPG that was uploaded to Pixabay by theasad121

Source Firkin

Yellow Wood Planks Background #876
 Wood  CC BY-SA 3.0

This background pattern contains a texture of yellow wood planks. I think it looks quite original.

Source V. Hartikainen

Melty & Red #1665
 Metal  CC 0

Misc. CC0 License.

Source Unknow

Broken [email protected] #365
 Dark  CC BY-SA 3.0

Beautiful dark noise pattern with some dust and grunge.

Source Vincent Klaiber

Decorative divider 210 #2364
 Dark  CC 0

Derived from elements found in a floral ornament drawing on Pixabay.

Source Firkin

Rice Paper #3 #1187
 Paper  CC BY-SA 3.0

Oh yes, it happened! A pattern in full color.

Source Atle Mo

Disks pattern #1890
 Dark  CC 0

Remixed from a drawing that was uploaded to Pixabay by DavidZydd

Source Firkin

Mooning #1140
 Gray  CC BY-SA 3.0

The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?

Source Joel Klein

Escheresque #777
 Light  CC BY-SA 3.0

Cubes as far as your eyes can see. You know, because they tile.

Source Jan Meeus

Spiral background 2 (colour 2) #2244
 Colorful  CC 0

Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.

Source Firkin

Plain & Wood #1356
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Floral background 17 #1851
 Green  CC 0

Vector version of a JPG that was uploaded to Pixabay by theasad121

Source Firkin

Background pattern purple #1998
 Colorful  CC 0

Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Subtle Stripes #751
 Stripes  CC BY-SA 3.0

Vertical lines with a bumpy, yet crisp, feel to it.

Source Raasa

Vintage Elegant Floral Background #257
 Fabric  CC 0

PDP

Source GDJ

paper filer pack 2 #140
 Noise  CC 0

A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.

Source Lazur URH

Grey Sandbag #641
 Paper  CC BY-SA 3.0

A bit strange this one, but nice at the same time.

Source Diogo Silva