Ravenna #354
 Wall  CC BY-SA 3.0

I guess this is inspired by the city of Ravenna in Italy and its stone walls.

Source Sentel

 More Textures
Abstract Tiled Background Extended 9 #520
 Dark  CC 0

Abstract Tiled Background Extended 9

Source GDJ

Subtle Freckles #89
 Light  CC BY-SA 3.0

This is so subtle: We’re talking 1% opacity. Get your squint on!

Source Atle Mo

"Cork Board", Seamless Background For Websites #875
 Wood  CC BY-SA 3.0

Seamless Background For Websites. It has a texture similar to cork-board.

Source V. Hartikainen

Background pattern 9 (greyscale) #213
 Dark  CC BY-SA 3.0

Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net

Source Firkin

Background pattern 15 #201
 Dark  CC 0

A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.

Source Firkin

Contemporary China 2 #1338
 Light  CC BY-SA 3.0

Old China with a modern twist, take two.

Source Adam Charlts

cloth texture 03 #2447
 Fabric  CC 0

This is a blue seamless cloth texture.

Source Yamachem

Color Stains on Canvas #1167
 Fabric  CC BY-SA 3.0

A seamless web texture with illustration of pale color stains on canvas.

Source V. Hartikainen

Dark Stone Wall Background #1054
 Stone  CC BY-SA 3.0

A background tile for web with abstract repeating texture of dark "stone wall".

Source V. Hartikainen

Pattern & Plywood #1348
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

More Rough Wood 2 #1428
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Gravel 3 Roughness #1472
 Dark  CC 0

Gravel style CC0 texture.

Source StruffelProductions

Stone Wall & Dark #1545
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 315 (colour 6) #1840
 Green  CC 0

The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Leafy pattern 7 #1828
 Dark  CC 0

Remixed from an image that was uploaded to Pixabay by CatherineClennan

Source Firkin

Background pattern 258 #2135
 Dark  CC 0

Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Gradient [email protected] #694
 Grid  CC BY-SA 3.0

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

Source Brankic1979

Background pattern 309 (colour 2) #1865
 Blue  CC 0

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

Source Firkin

Abstract Water Texture (Seamless) #890
 Water  CC BY-SA 3.0

An abstract texture of water. It's not perfect, but will do. You may download if you like it.

Source V. Hartikainen

Seamless Prismatic Pythagorean Line Art Pattern No Background #569
 Light  CC 0

Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).

Source GDJ

Stone Wall & Dark #1529
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Tessellation 16 (colour 6) #2210
 Colorful  CC 0

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

Source Firkin

Pink Clouds Background #1230
 Pink  CC BY-SA 3.0

Actually, there's no clouds in it, but I think it looks quite nice.

Source V. Hartikainen

Fire diamond #2488
 Diamond  CC 0

U.S.-based National Fire Protection Association standard fire diamond for flagging risks posed by hazardous materials. The red diamond has a number 0-4 depending on flammability. The blue diamond has a number 0-4 depending on health hazard. The yellow has a number 0-4 depending on reactivity. the white square has a special notice, e.g OX for oxidizer.

Source Firkin

Background pattern 306 #1882
 Colorful  CC 0

Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.

Source Firkin

Stone Wall & Gray #1500
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Seamless Core Pattern 5 #169
 Dark  CC 0

Seamless Core Pattern 5

Source GDJ

Clean Textile #737
 Fabric  CC BY-SA 3.0

A nice light textile pattern for your kit.

Source N8rx

Knitted [email protected] #1098
 Light  CC BY-SA 3.0

Can never have too many knitting patterns, especially as nice as this.

Source Victoria Spahn