Tileable Wood #655
 Wood  CC BY-SA 3.0

Not so subtle. These tileable wood patterns are very useful.

Source Elemis

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

Prismatic Geometric Pattern Background 2 No Black

Source GDJ

Background pattern 308 (colour 5) #1869
 Blue  CC 0

Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.

Source Firkin

Spotted Light Yellow BG Pattern #1216
 Yellow  CC BY-SA 3.0

This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.

Source V. Hartikainen

Fabric [email protected] #10
 Light  CC BY-SA 3.0

Semi-light fabric pattern made out of random pixels in shades of gray.

Source Atle Mo

Background pattern 250 (colour 3) #2169
 Colorful  CC 0

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

Source Firkin

Prismatic Abstract Background [email protected] #791
 Noise  CC 0

Prismatic Abstract Background Design

Source GDJ

Background pattern 6 #225
 Noise  CC 0

Another fairly simple design drawn in Paint.net and vectorized in Inkscape.

Source Firkin

Tri-weave #1692
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Food and drink design (colour) #1896
 Colorful  CC 0

Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.

Source Firkin

Prismatic Abstract Geometric Background 5 No [email protected] #792
 Noise  CC 0

Prismatic Abstract Geometric Background 5 No Black

Source GDJ

Knitted Netting #603
 Grid  CC BY-SA 3.0

A bit like some carbon, or knitted netting if you will.

Source Anna Litvinuk

Clover with background #237
 Paper  CC 0

Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.

Source BAJ

Prismatic Abstract Geometric Background 2 No [email protected] #446
 Noise  CC 0

Prismatic Abstract Geometric Background 2 No Black

Source GDJ

Gray Sand #17
 Dark  CC BY-SA 3.0

A dark gray, sandy pattern with small light dots, and some angled strokes.

Source Atle Mo

Gold Wall #1242
 Wall  CC 0

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

Source Sojan Janso

Stone Wall & Dark #1584
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Black Metallic Pattern #1090
 Metal  CC BY-SA 3.0

A free black metallic background pattern. Here's a new pattern I made that looks metallic.

Source V. Hartikainen

Notebook #1178
 Gray  CC BY-SA 3.0

This one is super crisp at 2X. Lined paper with some dust and scratches.

Source HQvectors

Grunge For Surfaces 5 #1402
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Background pattern 224 (colour 4) #2339
 Colorful  CC 0

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

Source Firkin

Abstract Geometric Monochrome Pattern Prismatic No Background #385
 Noise  CC 0

Abstract Geometric Monochrome Pattern Prismatic No Background

Source GDJ

Disks pattern #1890
 Dark  CC 0

Remixed from a drawing that was uploaded to Pixabay by DavidZydd

Source Firkin

Zig-zag pattern 3 #2416
 Grid  CC 0

A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.

Source Firkin

Floral background 20 #1813
 Red  CC 0

Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885

Source Firkin

Subtle [email protected] #752
 Stripes  CC BY-SA 3.0

Vertical lines with a bumpy, yet crisp, feel to it.

Source Raasa

Floral background 19 #1833
 Dark  CC 0

Remixed from a JPG that was uploaded to Pixabay by Osckar

Source Firkin

[email protected] #1179
 Gray  CC BY-SA 3.0

This one is super crisp at 2X. Lined paper with some dust and scratches.

Source HQvectors

Background pattern 272 (colour 3) #2055
 Red  CC 0

A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Triangles #127
 Dark  CC BY-SA 3.0

Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.

Source Ivan Ginev

Prismatic Floral Pattern 3 Variation 3 No Background #386
 Noise  CC 0

Prismatic Floral Pattern 3 Variation 3 No Background

Source GDJ