Old Map #1205
 Unknow  CC BY-SA 3.0

An interesting one. Lovely at 2X as well!

Source Andreas Föhl

 More Textures
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

Prismatic Arrows Background #392
 Noise  CC 0

Prismatic Arrows Background

Source GDJ

Kaleidoscope Prismatic Abstract No [email protected] #807
 Noise  CC 0

Kaleidoscope Prismatic Abstract No Background

Source GDJ

Parket #1478
 Wood  CC 0

Parket & Wood CC0 texture.

Source Unknow

Seamless Prismatic Geometric Pattern With Background #264
 Dark  CC 0

Seamless Prismatic Geometric Pattern With Background

Source GDJ

Circles #185
 Light  CC BY-SA 3.0

One more sharp little tile for you. Subtle circles this time.

Source Blunia

Floral background 2 #380
 Wall  CC 0

Background formed from the original with an emboss effect

Source GDJ

Foggy Birds #579
 Light  CC BY-SA 3.0

Hey, you never know when you’ll need a bird pattern, right?

Source Pete Fecteau

Mix & Black Pattern #1629
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Prismatic Curved Diamond Pattern 6 No [email protected] #546
 Dark  CC 0

Prismatic Curved Diamond Pattern 6 No Background

Source GDJ

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 3D Isometric Tessellation Pattern 6 #148
 Dark  CC 0

Prismatic 3D Isometric Tessellation Pattern 6

Source GDJ

Background pattern 228 #2308
 Colorful  CC 0

Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.

Source Firkin

Vintage Clay Tile 1 #1458
 Unknow  CC 0

Gamedev - Roofs Textures. CC0 License.

Source Davit Masia

Floral pattern 13 #1756
 Green  CC 0

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

Source Firkin

Bird pattern (colour 2) #2292
 Green  CC 0

Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

PW Pattern #1142
 Light  CC BY-SA 3.0

Vertical and horizontal lines form some cubes.

Source Peax

Stone Wall & Green #1581
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

cloth texture 03 #2447
 Fabric  CC 0

This is a blue seamless cloth texture.

Source Yamachem

[email protected] #754
 Light  CC BY-SA 3.0

This is so subtle you need to bring your magnifier!

Source Carlos Valdez

Background pattern 334 #1729
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by Kaz

Source Firkin

Cover Cells Book #1277
 Red  CC 0

Zero CC tileable hard cover cells book texture, 4k, scanned and made by me. CC0

Source Sojan Janso

Prismatic Groovy Concentric Background 2 No [email protected] #456
 Noise  CC 0

Prismatic Groovy Concentric Background 2 No Black

Source GDJ

Medic Packaging [email protected] #377
 Light  CC BY-SA 3.0

8 by 8 pixels, and just what the title says.

Source pixilated

Green and Yellow Lines on White Background #1000
 Stripes  CC BY-SA 3.0

A seamless pattern with green and yellow diagonal lines on top of a white dotted background.

Source V. Hartikainen

Green Dust & [email protected] #108
 Wall  CC BY-SA 3.0

Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.

Source Atle Mo

Brick [email protected] #1147
 Wall  CC BY-SA 3.0

One more brick pattern. A bit more depth to this one.

Source Benjamin Ward

Colourful background #2011
 Colorful  CC 0

Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic

Source Firkin

Page ornament 23 #2357
 Dark  CC 0

Formed in Paint.net and vectorised in Vector Magic.

Source Firkin