Foggy Birds #579
 Light  CC BY-SA 3.0

Hey, you never know when you’ll need a bird pattern, right?

Source Pete Fecteau

 More Textures
Brick [email protected] #1147
 Wall  CC BY-SA 3.0

One more brick pattern. A bit more depth to this one.

Source Benjamin Ward

Wavy background #2023
 Pink  CC 0

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

Source SliverKnight

Stone Wall & Black #1524
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Retro Circles Background [email protected] #429
 Noise  CC 0

Retro Circles Background 6

Source GDJ

Floral background 21 #1785
 Dark  CC 0

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

Source Firkin

Decorative divider 198 #2437
 Dark  CC 0

From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.

Source Firkin

Dungeons & Flagons 1 #1417
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Background pattern 246 (colour 3) #2184
 Green  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

Prismatic Polka Dots 3 No Background #528
 Noise  CC 0

Prismatic Polka Dots 3 No Background

Source GDJ

Little [email protected] #311
 Light  CC BY-SA 3.0

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

Source Amos

Prismatic Triangular Background Design Mark II [email protected] #788
 Dark  CC 0

Prismatic Triangular Background Design Mark II 5

Source GDJ

Graphene pattern 2 #2234
 Dark  CC 0

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

Source Firkin

Pure Rust & Red #1649
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

"Beige Stone", Tileable Texture #1025
 Stone  CC BY-SA 3.0

"Beige Stone", Tileable Texture.

Source V. Hartikainen

Stone Wall & Gray #1583
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Decorative divider 251 #2069
 Dark  CC 0

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

Source Firkin

Floors & Wood #1613
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Background pattern 226 (colour 6) #2316
 Pink  CC 0

A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Gray [email protected] #914
 Light  CC BY-SA 3.0

Some more diagonal lines and noise, because you know you want it.

Source Atle Mo

Cutcube #629
 Diamond  CC BY-SA 3.0

Cubes, geometry, 3D. What’s not to love?

Source Michael Atkins

Dark Textile Background #1169
 Fabric  CC BY-SA 3.0

A background tile of dark textile. Made this a long time ago and just now decided to publish it.

Source V. Hartikainen

Prismatic Dots Background [email protected] #506
 Noise  CC 0

Prismatic Dots Background 3

Source GDJ

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

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

Source Firkin

Steel & Gray #1639
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Stone Wall & Gray #1486
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Bright [email protected] #88
 Light  CC BY-SA 3.0

It’s okay to be square! A nice light gray pattern with random squares.

Source Waseem Dahman

Fake Brick #358
 Dark  CC BY-SA 3.0

Black, simple, elegant, and useful.

Source Marat

Natural [email protected] #834
 Paper  CC BY-SA 3.0

You know I’m a sucker for these. Well-crafted paper pattern.

Source Mihaela Hinayon

Seamless Prismatic Geometric Pattern With Background #264
 Dark  CC 0

Seamless Prismatic Geometric Pattern With Background

Source GDJ

Embossed Paper #731
 Paper  CC BY-SA 3.0

One more from Badhon, sharp horizontal lines making an embossed paper feeling.

Source Badhon Ebrahim