Wood Chips 4 #2102
 Unknow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

 More Textures
[email protected] #303
 Dark  CC BY-SA 3.0

Dark, square, clean and tidy. What more can you ask for?

Source Jaromír Kavan

Stone Wall & Green #1485
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Climpek #775
 Grid  CC BY-SA 3.0

Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.

Source Wassim

Stone Wall & Gray #1487
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Crisp Paper Ruffles #841
 Light  CC BY-SA 3.0

Sort of reminds me of those old house wallpapers.

Source Tish

Seamless Cork Board Background #881
 Wood  CC BY-SA 3.0

Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.

Source V. Hartikainen

Leafy design 18 #1788
 Dark  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

Wood Texgen 6 #1440
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Colourful background #2008
 Colorful  CC 0

Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic

Source Firkin

Weave #733
 Wall  CC BY-SA 3.0

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

Source Catherine

Pinstripe #35
 Light  CC BY-SA 3.0

Light gray pattern with a thin pinstripe.

Source Brandon

Prismatic Geometric Pattern Background 2 No [email protected] #784
 Noise  CC 0

Prismatic Geometric Pattern Background 2 No Black

Source GDJ

Blue Stripes Pattern #969
 Stripes  CC BY-SA 3.0

A textured blue background pattern with vertical stripes.

Source V. Hartikainen

Floors & Wood #1614
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Street Art Pattern #1196
 Concrete  CC BY-SA 3.0

Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.

Source V. Hartikainen

Seamless Core Pattern 2 #166
 Dark  CC 0

Seamless Core Pattern 2

Source GDJ

Decorative divider 208 #2366
 Dark  CC 0

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

Source Firkin

[email protected] #1210
 Dark  CC BY-SA 3.0

Everyone needs some stardust. Sprinkle it on your next project.

Source Atle Mo

Stone Wall & Black #1522
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

White carbon #11
 Carbon  CC BY-SA 3.0

Same as the black version, but now in shades of gray. Very subtle and fine grained.

Source Atle Mo

Mix & Blue Pattern #1628
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Background pattern 313 #1858
 Dark  CC 0

Background pattern originally a PNG drawn in Paint.net

Source Firkin

Stone Wall & Gray #1559
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Pixel Weave #1154
 Unknow  CC BY-SA 3.0

Clean and crisp lines all over the place. Wrap it up with this one.

Source Dax Kieran

Background pattern 220 (colour) #2359
 Pink  CC 0

Colour version of the original seamless pattern.

Source Firkin