Grunge For Surfaces 5 #1402
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

 More Textures
Blu Stripes #617
 Fabric  CC BY-SA 3.0

Very simple, very blu(e). Subtle and nice.

Source Seb Jachec

Patterned Pale Orange Background #1314
 Orange  CC BY-SA 3.0

You may use it as is, or modify it as you like.

Source V. Hartikainen

Background pattern 323 (colour 2) #1811
 Blue  CC 0

Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.

Source Firkin

Lorem Ipsum Background #1071
 Paper  CC BY-SA 3.0

An aged paper background tile with smeared and pressed text.

Source V. Hartikainen

Metal Grid Pattern #1091
 Metal  CC BY-SA 3.0

A repeatable image with dark background and metal grid pattern.

Source V. Hartikainen

French [email protected] #698
 Paper  CC BY-SA 3.0

Fabric-ish patterns are close to my heart. French Stucco to the rescue.

Source Christopher Buecheler

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

Wood Texture 1 #1430
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Berries #1672
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Floors & Black #1611
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

samekomon-01 #2270
 Yellow  CC 0

The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.

Source Yamachem

Asfault 4 #1383
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Straws #972
 Light  CC BY-SA 3.0

Super detailed 16×16 tile that forms a beautiful pattern of straws.

Source Pavel

Gold Triangular Seamless Pattern No Background #272
 Light  CC 0

Gold Triangular Seamless Pattern No Background

Source GDJ

Spotty Pattern #1229
 Red  CC BY-SA 3.0

Spotty background pattern.

Source V. Hartikainen

Leaded glass background (colour 2) #2053
 Pink  CC 0

Seamless pattern the tile.

Source Firkin

Decorative divider 291 #1793
 Dark  CC 0

From a drawing in 'Real Sailor-Songs', John Ashton, 1891.

Source Firkin

Floral pattern 6 (colour 6) #2455
 Fabric  CC 0

Alternative colour scheme for the original floral pattern.

Source Firkin

Floral Seamless Pattern Background #261
 Fabric  CC 0

PDP

Source GDJ

Grunge For Surfaces 9 #1406
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Decorative divider 241 #2084
 Dark  CC 0

From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.

Source Firkin

Gears pattern 4 #2238
 Green  CC 0

A seamless pattern formed from gears.

Source Firkin

Bark #1291
 Wall  CC 0

Zero CC tileable bark texture, photographed and made by me. CC0

Source Sojan Janso

Diamonds Are [email protected] #184
 Diamond  CC BY-SA 3.0

Sharp diamond pattern. A small 24x18px tile.

Source Tom Neal

geometrical pattern 01 #2463
 Wall  CC 0

This is a geometrical seamless pattern.

Source Yamachem

Diamond pattern 2 (colour 2) #2267
 Colorful  CC 0

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

Source Firkin