Seamless Paper Texture #1317
 Paper  CC BY-SA 3.0

Try this classic seamless paper.

Source Merry

 More Textures
Fabric 1 #9
 Light  CC BY-SA 3.0

Semi-light fabric pattern made out of random pixels in shades of gray.

Source Atle Mo

Bark #1291
 Wall  CC 0

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

Source Sojan Janso

Background pattern blue #1955
 Blue  CC 0

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

Source Firkin

Colorful Bicycles Background #207
 Noise  CC 0

Pixabay.

Source GDJ

Background pattern black #2026
 Dark  CC 0

Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Concretia 4 #1411
 Dark  CC 0

Gamedev - Concrete Textures. CC0 License.

Source Davit Masia

Dark Brick Wall #135
 Wall  CC BY-SA 3.0

Black brick wall pattern. Brick your site up!

Source Alex Parker

Seamless Core Pattern 2 #166
 Dark  CC 0

Seamless Core Pattern 2

Source GDJ

Fabric (Plaid) #591
 Fabric  CC BY-SA 3.0

You know you can’t get enough of these linen-fabric-y patterns.

Source James Basoo

Stone Wall & Black #1524
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 66 #195
 Wall  CC 0

A background pattern drawn in Inkscape.

Source Firkin

Mix & Red Pattern #1630
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Wood #49
 Wood  CC BY-SA 3.0

Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.

Source Atle Mo
Based from Cloaks

Little Knobs #310
 Light  CC BY-SA 3.0

White little knobs, coming in at 10x10px. Sweet!

Source Amos

Background pattern 242 #2203
 Red  CC 0

Random colour tile.

Source Firkin

Stone Wall & Dark #1539
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Art deco design #2306
 Dark  CC 0

Remixed from a jpg on Pixabay.

Source Firkin

Floral #1676
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Brushed Alum Dark #65
 Dark  CC BY-SA 3.0

Because I love dark patterns, here is Brushed Alum in a dark coating.

Source Tim Ward

Floral tile 2 #1928
 Colorful  CC 0

A seamless tile made from flower 138.

Source Firkin

Background pattern 302 (colour 2) #1887
 Green  CC 0

Alternative colour scheme to the original.

Source Firkin

Cover Pink #1284
 Pink  CC 0

Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.

Source Sojan Janso

Stone Wall & Gray #1559
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 225 (colour 3) #2325
 Pink  CC 0

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

Source Firkin

Wooden Deligh 1 #1457
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Paper [email protected] #32
 Paper  CC BY-SA 3.0

Light gray paper pattern with small traces of fiber and some dust.

Source Atle Mo

Beige [email protected] #84
 Paper  CC BY-SA 3.0

This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.

Source Konstantin Ivanov