Dungeons & Flagons 4 #1420
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

 More Textures
[email protected] #660
 Fabric  CC BY-SA 3.0

Farmer could be some sort of fabric pattern, with a hint of green.

Source Fabian Schultz

Floral background 10 (colour 2) #2045
 Pink  CC 0

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

Source Firkin

Wavy background #2022
 Blue  CC 0

CC0 and a seamless pattern from a tile drawn in Paint.net .

Source SliverKnight

Christmas pattern #2422
 Dark  CC 0

Derived from an image on Pixabay.

Source Firkin

Floral Seamless Pattern Background #261
 Fabric  CC 0

PDP

Source GDJ

Background pattern 252 (colour 4) #2159
 Light  CC 0

Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Metal Pole Rusty & Yellow #1651
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Stone Wall & Gray #1562
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Floral tile 4 #1710
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by darkmoon1968

Source Firkin

Fabric pattern 2 (colour 3) #2394
 Fabric  CC 0

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

stripe seamless pattern #2279
 Dark  CC 0

The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.

Source Yamachem

Sponge A2-2 #2125
 Yellow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Checkered [email protected] #323
 Grid  CC BY-SA 3.0

Simple gray checkered lines, in light tones.

Source Radosław Rzepecki

Boiler Plate Rust & Red #1662
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Stone Wall & Yellow #1554
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Batik #1671
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Gradient Squares #693
 Grid  CC BY-SA 3.0

It’s big, it’s gradient—and it’s square.

Source Brankic1979

Paisley #1343
 Light  CC BY-SA 3.0

The name Paisley reminds me of an old British servant. That’s just me.

Source Swetha

Floral background 7 #2225
 Yellow  CC 0

A floral background formed from numerous clones of flower 117.

Source Firkin

Redox [email protected] #850
 Light  CC BY-SA 3.0

Bright gray tones with a hint of some metal surface.

Source Hendrik Lammers

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

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

Source Gjermund Gustavsen

Decorative divider #1962
 Dark  CC 0

From a drawing in 'A Life Interest', Mrs Alexander, 1888.

Source Firkin

Floral pattern 6 (colour 2) #2460
 Fabric  CC 0

Alternative colour scheme for the original floral pattern.

Source Firkin

Carbon Fiber v2 #105
 Carbon  CC BY-SA 3.0

One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.

Source Atle Mo

edo pattern-samekomon #2271
 Dark  CC 0

The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.

Source Yamachem

Background pattern 239 (colour 2) #2216
 Red  CC 0

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

Source Firkin

Retro Circles Background 4 #420
 Dark  CC 0

Retro Circles Background 4

Source GDJ