Background pattern [email protected] #478
 Wall  CC 0

A background pattern drawn in Inkscape.

Source Firkin

 More Textures
Floral background 22 #1780
 Dark  CC 0

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

Source Firkin

Embossed Paper #731
 Paper  CC BY-SA 3.0

One more from Badhon, sharp horizontal lines making an embossed paper feeling.

Source Badhon Ebrahim

Vertical Cloth #597
 Dark  CC BY-SA 3.0

You just can’t get enough of the fabric patterns, so here is one more for your collection.

Source Krisp Designs

[email protected] #744
 Grid  CC BY-SA 3.0

Sharp but soft triangles in light shades of gray.

Source Pixeden

Stardust #1209
 Dark  CC BY-SA 3.0

Everyone needs some stardust. Sprinkle it on your next project.

Source Atle Mo

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

Prismatic Abstract Geometric Background 2 No Black

Source GDJ

Inspiration Geometry #1175
 Unknow  CC BY-SA 3.0

This one is rather fun and playful. The 2X could be used at 1X too!

Source Welsley

Groovepaper #577
 Paper  CC BY-SA 3.0

With a name like this, it has to be hot. Diagonal lines in light shades.

Source Isaac

Background pattern 245 #2192
 Green  CC 0

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

Source Firkin

Light Paper Fibers #835
 Paper  CC BY-SA 3.0

More in the paper realm, this time with fibers.

Source Jorge Fuentes

Decorative divider 299 #1743
 Dark  CC 0

From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.

Source Firkin

White Bed Sheet #821
 Light  CC BY-SA 3.0

Nothing like a clean set of bed sheets, huh?

Source Badhon Ebrahim

Leafy pattern 7 #1828
 Dark  CC 0

Remixed from an image that was uploaded to Pixabay by CatherineClennan

Source Firkin

Background pattern 215 (colour 2) #2370
 Blue  CC 0

A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.

Source Firkin

Recharging the void #164
 Noise  CC 0

Original effect recreated by a simple filter.

Source Lazur URH

Wellington boots pattern #1900
 Colorful  CC 0

CC0 and seamless wellington boot pattern.

Source SliverKnight

Multiple Greek key frame #1733
 Dark  CC 0

Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.

Source Firkin

Congruent Pentagon #1307
 Unknow  CC BY-SA 3.0

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

Source Atle Mo

Dungeons & Flagons 6 #1422
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Floral background 11 #2044
 Dark  CC 0

Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.

Source Firkin

Decorative divider 241 #2084
 Dark  CC 0

From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.

Source Firkin

Background pattern 19 (outline) #204
 Light  CC 0

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

Source Firkin

Tile-able Wall Texture (Light Orange Brown) #1051
 Stone  CC BY-SA 3.0

A seamless texture of an abstract wall colored in shades of light orange brown.

Source V. Hartikainen

Floral pattern 10 #1771
 Yellow  CC 0

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

Source Firkin

Retro Squares Background [email protected] #419
 Dark  CC 0

Retro Squares Background 4

Source GDJ

Stone Wall & Purple #1567
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Floral background #1981
 Dark  CC 0

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

Source Firkin