Double [email protected] #52
 Stripes  CC BY-SA 3.0

Horizontal and vertical lines on a light gray background.

Source Adam Anlauf

 More Textures
Stone Wall & Gray #1559
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Cincinnati tablet 2 #2146
 Dark  CC 0

Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.

Source Firkin

Pinstriped Suit #665
 Dark  CC BY-SA 3.0

Just like your old suit, all striped and smooth.

Source Alex Berkowitz

Tapestry #747
 Diamond  CC BY-SA 3.0

Tiny and subtle. What’s not to love?

Source Pixeden

Prismatic Groovy Concentric Background [email protected] #462
 Noise  CC 0

Prismatic Groovy Concentric Background 4

Source GDJ

Background pattern 213 #2412
 Dark  CC 0

A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.

Source Firkin

Background pattern 306 (colour 5) #1879
 Colorful  CC 0

Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.

Source Firkin

Floral pattern 6 (colour 2) #2460
 Fabric  CC 0

Alternative colour scheme for the original floral pattern.

Source Firkin

Iron Rusted & Dark Red #1659
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Graphy #350
 Grid  CC BY-SA 3.0

Looks like a technical drawing board: small squares forming a nice grid.

Source We Are Pixel8

Shine Dotted #711
 Grid  CC BY-SA 3.0

Tiny shiny dots all over your screen.

Source mediumidee

Stitched [email protected] #844
 Light  CC BY-SA 3.0

I love these crisp, tiny, super subtle patterns.

Source Badhon Ebrahim

"Colorful Stripes", Diagonally Striped Background #903
 Stripes  CC BY-SA 3.0

This background pattern contains worn out colorful stripes as a texture.

Source V. Hartikainen

Tileable Off-white Background #1191
 Concrete  CC BY-SA 3.0

A free tileable background colored in off-white (antique white) color.

Source V. Hartikainen

Lined [email protected] #363
 Stripes  CC BY-SA 3.0

The classic notebook paper with horizontal stripes.

Source Are Sundnes

Stone Wall & Red #1506
 Red  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Seamless Pink Background Texture #1233
 Pink  CC BY-SA 3.0

A seamlessly tileable pink background texture.

Source V. Hartikainen

Grass #1278
 Green  CC 0

Zero CC tileable grass texture, photographed and made by me. CC0

Source Sojan Janso

Visual illusion #2586
 Grid  CC 0

The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Disks pattern #1890
 Dark  CC 0

Remixed from a drawing that was uploaded to Pixabay by DavidZydd

Source Firkin

Random Binary Background #274
 Light  CC 0

Random Binary Background

Source GDJ

Background pattern 225 (colour 4) #2324
 Green  CC 0

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

Source Firkin

Colorful Paw Prints Pattern Background #260
 Noise  CC 0

pixabay.

Source GDJ

Hexagonal pattern #2379
 Dark  CC 0

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

Source Firkin

Fleurs-de-lys pattern 2 #2205
 Dark  CC 0

Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.

Source Firkin

Colourful background #2008
 Colorful  CC 0

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

Source Firkin

Background pattern 214 (colour 3) #2375
 Green  CC 0

A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.

Source Firkin