Plain & Wood #1355
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

 More Textures
Page ornament #1993
 Dark  CC 0

From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.

Source Firkin

Wet Paper Background (Pale Yellow) #1224
 Yellow  CC BY-SA 3.0

A seamless paper background colored in pale yellow.

Source V. Hartikainen

Arches #715
 Light  CC BY-SA 3.0

One more in the line of patterns inspired by Japanese/Asian styles. Smooth.

Source Kim Ruddock

[email protected] #118
 Grid  CC BY-SA 3.0

Dark squares with some virus-looking dots in the grid.

Source Hugo Loning

Brick & Red #1374
 Wall  CC 0

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

Source Linolafett

Concretia 3 #1410
 Gray  CC 0

Gamedev - Concrete Textures. CC0 License.

Source Davit Masia

Cloth Alike #1093
 Light  CC BY-SA 3.0

You guessed it – looks a bit like cloth.

Source Peax Webdesign

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

A leather pattern with a hint of yellow.

Source Atle Mo

Stone Wall & Yellow #1578
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Decorative divider #2001
 Dark  CC 0

From a drawing in 'La Principauté de Liège et les Pays-Bas au XVIe siècle', Société des Bibliophiles Liégeois ,1887.

Source Firkin

Lined [email protected] #1035
 Light  CC BY-SA 3.0

I know there is one here already, but this is sexy!

Source Gjermund Gustavsen

Soft [email protected] #319
 Dark  CC BY-SA 3.0

Pattern #100! A black classic knit-looking pattern.

Source Factorio.us Collective

Diagonal Striped [email protected] #680
 Stripes  CC BY-SA 3.0

Might not be super subtle, but quite original in its form.

Source Alex Smith

Retro Circles Background 6 #428
 Noise  CC 0

Retro Circles Background 6

Source GDJ

Flowery pattern 3 (BW) #2331
 Dark  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

Colorful Bicycles Background #207
 Noise  CC 0

Pixabay.

Source GDJ

Translucent [email protected] #944
 Light  CC BY-SA 3.0

The file was named striped lens, but hey – Translucent Fibres works too.

Source Angelica

Seed #1289
 Wall  CC 0

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

Source Sojan Janso

Subtle [email protected] #926
 Light  CC BY-SA 3.0

Super subtle indeed, a medium gray pattern with tiny dots in a grid.

Source Designova

Bright Multicolored Floral [email protected] #560
 Noise  CC 0

Bright Multicolored Floral Background by Karen Arnold from PDP.

Source GDJ

Retro Circles Background 8 No Black #437
 Dark  CC 0

Retro Circles Background 8 No Black

Source GDJ

Fruit on a branch #1967
 Dark  CC 0

From a drawing in 'Line and form', Walter Crane, 1914.

Source Firkin

Textured [email protected] #1131
 Paper  CC BY-SA 3.0

You know I love paper patterns. Here is one from Stephen. Say thank you!

Source Stephen Gilbert

Prismatic Curved Diamond Pattern 3 No [email protected] #540
 Diamond  CC 0

Prismatic Curved Diamond Pattern 3 No Background

Source GDJ

Swirl #947
 Light  CC BY-SA 3.0

The name tells you it has curves. Oh yes, it does!

Source Peter Chon

Cartographer #749
 Dark  CC BY-SA 3.0

A topographic map like this has actually been requested a few times, so here you go!

Source Sam Feyaerts

Wood Chips 4 #2102
 Unknow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Dark Leather #129
 Dark  CC BY-SA 3.0

You were craving more leather, so I whipped this up by scanning a leather jacket.

Source Atle Mo

Background pattern 334 (colour) #1730
 Red  CC 0

Derived from an image that was uploaded to Pixabay by Kaz

Source Firkin