Background pattern brown #1951
 Brown  CC 0

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

Source Firkin

 More Textures
Nami #575
 Dark  CC BY-SA 3.0

Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!

Source Dertig Media

Stone Wall & Gray #1563
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Light [email protected] #305
 Wall  CC BY-SA 3.0

Used correctly, this could be nice. Used in a bad way, all hell will break loose.

Source Atle Mo

Background pattern 234 (colour 3) #2257
 Blue  CC 0

Drawn in Paint.net and vectorised in Vector Magic.

Source Firkin

Background pattern 223 (colour 6) #2348
 Yellow  CC 0

Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.

Source Firkin

Tex2res5 #725
 Fabric  CC BY-SA 3.0

Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.

Source Janos Koos

Stone Wall & Yellow #1518
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Prismatic Abstract Geometric Background 4 No [email protected] #442
 Dark  CC 0

Prismatic Abstract Geometric Background 4 No Black

Source GDJ

Concretia 6 #1413
 Gray  CC 0

Gamedev - Concrete Textures. CC0 License.

Source Davit Masia

Prismatic Floral Background No Black #475
 Light  CC 0

Prismatic Floral Background No Black

Source GDJ

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

Mix & Gray Pattern #1631
 Metal  CC 0

Metal-Plain or Painted. CC0 License.

Source Unknow

Prismatic Curved Diamond Pattern 4 No [email protected] #542
 Diamond  CC 0

Prismatic Curved Diamond Pattern 4 No Background

Source GDJ

Page ornament 21 #2361
 Dark  CC 0

From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.

Source Firkin

Background pattern 315 (colour 2) #1844
 Red  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

Colorful Floral [email protected] #480
 Noise  CC 0

Colorful Floral Background

Source GDJ

Prismatic Isometric Cube Extra Pattern No Background #405
 Light  CC 0

Prismatic Isometric Cube Extra Pattern No Background

Source GDJ

Inspiration [email protected] #1176
 Unknow  CC BY-SA 3.0

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

Source Welsley

Floral pattern 6 (colour 5) #2457
 Fabric  CC 0

Alternative colour scheme for the original floral pattern.

Source Firkin

Seamless Gray Stone Background #1028
 Stone  CC BY-SA 3.0

This background image has seamless texture that resembles a surface of gray stone.

Source V. Hartikainen

[email protected] #1153
 Wall  CC BY-SA 3.0

Did anyone say The Hoff? This pattern is in no way related to Baywatch.

Source Josh Green

Melty & Red #1665
 Metal  CC 0

Misc. CC0 License.

Source Unknow

Plain & Wood #1355
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Leafy frame 31 #1726
 Green  CC 0

A frame using leaves from an image that was uploaded to Pixabay by mayapujiati

Source Firkin

Background pattern 215 (colour 4) #2368
 Green  CC 0

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

Source Firkin

Leafy pattern 7 (colour) #1827
 Red  CC 0

Alternative colour scheme.

Source Firkin

Dark [email protected] #321
 Wood  CC BY-SA 3.0

A beautiful dark wood pattern, superbly tiled.

Source Omar Alvarado

Stone Wall & Yellow #1481
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Grunge [email protected] #82
 Wall  CC BY-SA 3.0

Light gray grunge wall with a nice texture overlay.

Source Adam Anlauf