Abstract Tiled Background Extended 11 #522
 Noise  CC 0

Abstract Tiled Background Extended 11

Source GDJ

 More Textures
Prismatic Abstract Geometric Background 2 No Black #445
 Noise  CC 0

Prismatic Abstract Geometric Background 2 No Black

Source GDJ

Stone Wall & Gray #1585
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Floral background 11 #2044
 Dark  CC 0

Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.

Source Firkin

Leather [email protected] #14
 Light  CC BY-SA 3.0

A leather pattern with a hint of yellow.

Source Atle Mo

Blue Stripes Pattern #969
 Stripes  CC BY-SA 3.0

A textured blue background pattern with vertical stripes.

Source V. Hartikainen

Seamless Gray Stone Background #1028
 Stone  CC BY-SA 3.0

This background image has seamless texture that resembles a surface of gray stone.

Source V. Hartikainen

Green Background Pattern with Warped Vertical Stripes #1328
 Green  CC BY-SA 3.0

Green Background Pattern

Source V. Hartikainen

Diamond pattern (colour 2) #2284
 Green  CC 0

From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Background pattern 328 (colour 5) #1797
 Blue  CC 0

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

Source Firkin

Corrugation #765
 Light  CC BY-SA 3.0

The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.

Source Anna Litvinuk

Decorative divider 248 #2074
 Dark  CC 0

From a drawing in 'Picturesque New Guinea', J Lindt, 1887.

Source Firkin

Seed #1289
 Wall  CC 0

Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0

Source Sojan Janso

White Texture #131
 Light  CC BY-SA 3.0

Not the most creative name, but it’s a good all-purpose light background.

Source Dmitry

Colorful Bicycles Background #207
 Noise  CC 0

Pixabay.

Source GDJ

Fabric pattern 3 #2387
 Fabric  CC 0

Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Floral #1680
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

White Leather #639
 Fabric  CC BY-SA 3.0

I took the liberty of using Dmitry’s pattern and made a version without perforation.

Source Atle Mo

Light Striped Background #937
 Stripes  CC BY-SA 3.0

A light background pattern with diagonal stripes. Here's a simple light striped background for you.

Source V. Hartikainen

Floors & Black #1607
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Reticular Tissue #763
 Light  CC BY-SA 3.0

The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.

Source Anna Litvinuk

White tiles #727
 Grid  CC BY-SA 3.0

A nice and simple white rotated tile pattern.

Source Another One

Page ornament 21 #2361
 Dark  CC 0

From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.

Source Firkin

Zig Zag #328
 Dark  CC BY-SA 3.0

So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.

Source Dmitriy Prodchenko

Star pattern #2410
 Brown  CC 0

A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.

Source Firkin

Retro Squares Background [email protected] #795
 Dark  CC 0

Retro Squares Background 9

Source GDJ

Asfault 3 #1382
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Colorful Floral Background No [email protected] #482
 Light  CC 0

Colorful Floral Background No Black

Source GDJ

Background pattern 320 #1830
 Pink  CC 0

Formed by distorting a JPG from PublicDomainPictures

Source Firkin

Seamless Wood Pattern #889
 Wood  CC BY-SA 3.0

A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.

Source V. Hartikainen