Glass & Gray #1624
 Gray  CC 0

Glass. CC0 License.

Source Unknow

 More Textures
Prismatic Hexagonalist Pattern No Background #390
 Light  CC 0

Prismatic Hexagonalist Pattern No Background

Source GDJ

Prismatic Basic Pattern 2 No Background #447
 Noise  CC 0

Prismatic Basic Pattern 2 No Background

Source GDJ

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

Prismatic Polka Dots Mark II 3 No [email protected] #535
 Noise  CC 0

Prismatic Polka Dots Mark II 3 No Background

Source GDJ

Brick #1378
 Wall  CC 0

Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!

Source Linolafett

Translucent Fibres #943
 Light  CC BY-SA 3.0

The file was named striped lens, but hey – Translucent Fibres works too.

Source Angelica

Tileable Wood #655
 Wood  CC BY-SA 3.0

Not so subtle. These tileable wood patterns are very useful.

Source Elemis

Prismatic Groovy Concentric Background 3 No [email protected] #460
 Noise  CC 0

Prismatic Groovy Concentric Background 3 No Black

Source GDJ

Grey Washed Wall #1128
 Wall  CC BY-SA 3.0

This is a semi-dark pattern, sort of linen-y.

Source Sagive SEO

Wood 11 #1456
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

"Animal Tracks", Background Pattern #1225
 Yellow  CC BY-SA 3.0

A seamless pale yellow paper background with a pattern of animal tracks.

Source V. Hartikainen

Prismatic Abstract Background Design No Black #404
 Noise  CC 0

Prismatic Abstract Background Design No Black

Source GDJ

Solid #845
 Gray  CC BY-SA 3.0

A mid-tone gray pattern with some cement looking texture.

Source Hendrik Lammers

Stone Wall & Dark #1496
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Brushed Aluminum 6 #1394
 Metal  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Fabric pattern 2 (colour 6) #2391
 Fabric  CC 0

Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Vintage pattern #1958
 Grid  CC 0

Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.

Source Firkin

Prismatic Hexagonalist Pattern No [email protected] #804
 Light  CC 0

Prismatic Hexagonalist Pattern No Background

Source GDJ

Cross pattern (negative) #2332
 Dark  CC 0

A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Wood 10 #1455
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Abstract Geometric Monochrome Pattern Prismatic No Background #385
 Noise  CC 0

Abstract Geometric Monochrome Pattern Prismatic No Background

Source GDJ

Psychedelic Geometric [email protected] #813
 Noise  CC 0

Psychedelic Geometric Background.

Source GDJ

Deevad Torchon #1667
 Paper  CC 0

Paper. CC0 License.

Source Unknow

Dark Tire #703
 Dark  CC BY-SA 3.0

Dark, crisp and subtle. Tiny black lines on top of some noise.

Source Wilmotte Bastien

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

Green Background Pattern

Source V. Hartikainen

White [email protected] #12
 Carbon  CC BY-SA 3.0

Same as the black version, but now in shades of gray. Very subtle and fine grained.

Source Atle Mo

Metal & Gray Stone #1656
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Prismatic Diamond Background 6 #383
 Diamond  CC 0

Prismatic Diamond Background 6

Source GDJ

"Green Rhombuses", Seamless Background Pattern #1336
 Green  CC BY-SA 3.0

A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.

Source V. Hartikainen

Fruit decorative divider #1911
 Colorful  CC 0

Vector version of a png that was uploaded to Pixabay by pencilparker

Source Firkin