Background pattern #1977
 Dark  CC 0

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

Source Firkin

 More Textures
Glassy Orange Pattern #1315
 Orange  CC BY-SA 3.0

This pattern comes in orange, and it looks as if it is "made of glass".

Source V. Hartikainen

Sandpaper #1177
 Paper  CC BY-SA 3.0

It is what it is, sandpaper.

Source Atle Mo

Rice Paper #[email protected] #1188
 Paper  CC BY-SA 3.0

Oh yes, it happened! A pattern in full color.

Source Atle Mo

Flowery branch #1891
 Colorful  CC 0

Cut from a jpg on Pixabay and vectorized

Source Firkin

[email protected] #954
 Dark  CC BY-SA 3.0

Hexagonal dark 3D pattern. What more can you ask for?

Source Norbert Levajsics

Wood Chips 3 #2101
 Unknow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Prismatic Geometric Pattern [email protected] #787
 Noise  CC 0

Prismatic Geometric Pattern Background

Source GDJ

Stone Wall & Yellow #1491
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

P5 #1113
 Light  CC BY-SA 3.0

Number five from the same submitter, makes my job easy.

Source Dima Shiper

Wavy background #2013
 Pink  CC 0

A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic

Source Firkin

Floral design 99 (colour) #1777
 Green  CC 0

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

Source Firkin

Mix & Gray Pattern #1631
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Specular & Gray Pattern #1641
 Metal  CC 0

Metal-Processed. CC0 License.

Source Unknow

Dark Brown Timber Wall Texture #874
 Wood  CC BY-SA 3.0

A free seamless background texture of "timber wall" (colored in dark brown).

Source V. Hartikainen

Checkered Pattern #322
 Grid  CC BY-SA 3.0

Simple gray checkered lines, in light tones.

Source Radosław Rzepecki

Gears pattern 4 (colour 3) #2236
 Blue  CC 0

A seamless pattern formed from gears.

Source Firkin

Zodiac pattern (black background) #267
 Dark  CC 0

A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. Version with black background.

Source Firkin

[email protected] #973
 Light  CC BY-SA 3.0

Super detailed 16×16 tile that forms a beautiful pattern of straws.

Source Pavel

[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

mesh 01 #2276
 Light  CC 0

The image depicts a mesh .I made it as template.

Source Yamachem

Prismatic Geometric Tessellation Pattern 4 No [email protected] #558
 Noise  CC 0

Prismatic Geometric Tessellation Pattern 4 No Background

Source GDJ

Floral background 2 #2471
 Yellow  CC 0

Background formed from the original with an emboss effect.

Source Firkin

Prismatic Isometric Cube Extra Pattern No [email protected] #789
 Light  CC 0

Prismatic Isometric Cube Extra Pattern No Background

Source GDJ

Subtle [email protected] #956
 Light  CC BY-SA 3.0

The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.

Source Haris Šumić

Prismatic Groovy Concentric Background 3 No [email protected] #460
 Noise  CC 0

Prismatic Groovy Concentric Background 3 No Black

Source GDJ

Dark [email protected] #307
 Dark  CC BY-SA 3.0

People seem to enjoy dark patterns, so here is one with some circles.

Source Atle Mo

Stone Wall & Yellow #1528
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Red  #1256
 Red  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso