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

Bright gray tones with a hint of some metal surface.

Source Hendrik Lammers

 More Textures
Redox 02 #851
 Light  CC BY-SA 3.0

After 1 comes 2, same but different. You get the idea.

Source Hendrik Lammers

Prismatic Polka Dots 3 No Background #528
 Noise  CC 0

Prismatic Polka Dots 3 No Background

Source GDJ

Floors #1589
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

[email protected] #303
 Dark  CC BY-SA 3.0

Dark, square, clean and tidy. What more can you ask for?

Source Jaromír Kavan

Redox [email protected] #852
 Light  CC BY-SA 3.0

After 1 comes 2, same but different. You get the idea.

Source Hendrik Lammers

French [email protected] #698
 Paper  CC BY-SA 3.0

Fabric-ish patterns are close to my heart. French Stucco to the rescue.

Source Christopher Buecheler

More Rough Wood 1 #1427
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Wall #1245
 Wall  CC 0

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

Source Sojan Janso

Mossy Wall #1269
 Wall  CC 0

Zero CC Mossy stone tileable texture, photographed and made by me. CC0

Source Sojan Janso

Floral pattern 11 #1770
 Dark  CC 0

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

Source Firkin

Prismatic Groovy Concentric Background No [email protected] #452
 Noise  CC 0

Prismatic Groovy Concentric Background No Black

Source GDJ

Triangles #743
 Grid  CC BY-SA 3.0

Sharp but soft triangles in light shades of gray.

Source Pixeden

Pattern & Iron Net #1618
 Wall  CC 0

Fence. CC0 License.

Source Unknow

Background pattern 264 #2071
 Orange  CC 0

The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.

Source Firkin

Congruent Pentagon #1307
 Unknow  CC BY-SA 3.0

Inspired by this, I came up with this pattern. Madness!

Source Atle Mo

Stone Wall & Dark #1547
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Floral pattern 3 (colour) #2330
 Colorful  CC 0

Adapted from a jpg on Pixabay.

Source Firkin

Green Fibers #91
 Dark  CC BY-SA 3.0

The green fibers pattern will work very well in grayscale as well.

Source Matteo Di Capua

Green Background Pattern with Warped Vertical Stripes #1328
 Green  CC BY-SA 3.0

Green Background Pattern

Source V. Hartikainen

Noisy [email protected] #977
 Dark  CC BY-SA 3.0

Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.

Source Tom McArdle

Background pattern 66 #195
 Wall  CC 0

A background pattern drawn in Inkscape.

Source Firkin

Stone Wall & Yellow #1516
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Decorative divider 218 #2232
 Dark  CC 0

Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.

Source Firkin

Prismatic Hexagonalism Pattern No [email protected] #803
 Light  CC 0

Prismatic Hexagonalism Pattern No Background

Source GDJ

Stone Wall & Dark #1543
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Concrete Wall [email protected] #94
 Light  CC BY-SA 3.0

All good things come in threes, so I give you the third in my little concrete wall series.

Source Atle Mo

Cream [email protected] #1145
 Light  CC BY-SA 3.0

If you don’t like cream and pixels, you’re in the wrong place.

Source Mizanur Rahman