Clean gray [email protected] #860
 Paper  CC BY-SA 3.0

On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.

Source Paul Phönixweiß

 More Textures
Dark Fish Skin #1048
 Dark  CC BY-SA 3.0

It almost looks a bit blurry, but then again, so are fishes.

Source Petr Šulc

Prismatic Geometric Tessellation Pattern 2 No [email protected] #554
 Noise  CC 0

Prismatic Geometric Tessellation Pattern 2 No Background

Source GDJ

Axiom Pattern #330
 Grid  CC BY-SA 3.0

Not even 1kb, but very stylish. Gray thin lines.

Source Struck Axiom

Seamless Green Tile Background #1326
 Green  CC BY-SA 3.0

Seamless Green Tile Background

Source V. Hartikainen

Wood Old Panels #1435
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

White [email protected] #369
 Wall  CC BY-SA 3.0

Sweet and subtle white plaster with hints of noise and grunge.

Source Phil Maurer

Part of Bayeux Tapestry 4 #2446
 Noise  CC 0

From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.

Source Firkin

Background pattern 277 #2029
 Dark  CC 0

A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.

Source Firkin

Prismatic Octagonal [email protected] #440
 Noise  CC 0

Prismatic Octagonal Background

Source GDJ

Flourish pattern (colour) #1737
 Yellow  CC 0

Remixed from an image that was uploaded to Pixabay by Pixeline

Source Firkin

Floors & Block #1598
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Background pattern 226 (colour 5) #2317
 Blue  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

Prismatic Abstract Geometric Background 4 No [email protected]@2X #444
 Dark  CC 0

Prismatic Abstract Geometric Background 4

Source GDJ

P5 #1113
 Light  CC BY-SA 3.0

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

Source Dima Shiper

Leafy pattern black #1972
 Dark  CC 0

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

Source Firkin

Configurable Graph Paper #141
 Stripes  CC BY-SA 3.0

Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.

Source JayNick

Background pattern 245 (colour 2) #2191
 Green  CC 0

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

Source Firkin

Colorful Floral Background 3 No Black #485
 Light  CC 0

Colorful Floral Background 3 No Black

Source GDJ

Gravel 3 Roughness #1472
 Dark  CC 0

Gravel style CC0 texture.

Source StruffelProductions

3D Wood #1475
 Wood  CC 0

Basket Fibers, Basket Texture, Braid Background style CC0 texture.

Source 1A-Photoshop

Floral pattern 13 #1756
 Green  CC 0

From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.

Source Firkin

Floral design 90 #1815
 Dark  CC 0

From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.

Source Firkin

Subtle [email protected] #90
 Light  CC BY-SA 3.0

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

Source Atle Mo

Stone Wall & Yellow #1555
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Swirl #1323
 Light  CC BY-SA 3.0

Lovely gray circles. What more can you ask for?

Source Uday

Dungeons & Flagons 1 #1417
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Light Wall #1265
 Wall  CC 0

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

Source Sojan Janso