Double Lined #51
 Stripes  CC BY-SA 3.0

Horizontal and vertical lines on a light gray background.

Source Adam Anlauf

 More Textures
Plain & Wood #1356
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

"Cork Board", Seamless Background For Websites #875
 Wood  CC BY-SA 3.0

Seamless Background For Websites. It has a texture similar to cork-board.

Source V. Hartikainen

Stone Wall & Red #1576
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

wire-mesh fence seamless pattern #2492
 Grid  CC 0

The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.

Source Yamachem

Polaroid #187
 Wall  CC BY-SA 3.0

Smooth Polaroid pattern with a light blue tint.

Source Daniel Beaton

Vintage [email protected] #654
 Wall  CC BY-SA 3.0

Lovely pattern with splattered vintage speckles.

Source David Pomfret

Green Fibers #91
 Dark  CC BY-SA 3.0

The green fibers pattern will work very well in grayscale as well.

Source Matteo Di Capua

Decorative divider 212 #2343
 Dark  CC 0

Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.

Source Firkin

Background pattern 240 #2209
 Dark  CC 0

Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.

Source Firkin

School #1318
 Yellow  CC BY-SA 3.0

Spice up your next school project with this icon background.

Source Swetha

Wood Old Panels #1435
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Tex2res2 #719
 Fabric  CC BY-SA 3.0

Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.

Source Janos Koos

Candy cane pattern #1853
 Noise  CC 0

Remixed from a PNG that was uploaded to Pixabay by k_jprather

Source Firkin

geometrical pattern 01 #2463
 Wall  CC 0

This is a geometrical seamless pattern.

Source Yamachem

Decorative divider #1996
 Dark  CC 0

From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.

Source Firkin

Prismatic Isometric Cube Wireframe Pattern No [email protected] #500
 Light  CC 0

Prismatic Isometric Cube Wireframe Pattern No Background

Source GDJ

Diagonal Waves #1006
 Gray  CC BY-SA 3.0

It has waves, so make sure you don’t get sea sickness.

Source CoolPatterns

[email protected] #1108
 Light  CC BY-SA 3.0

A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.

Source Dima Shiper

Sakura Blossoms [email protected] #805
 Noise  CC 0

Sakura Blossoms Background

Source GDJ

First Aid Kit #701
 Fabric  CC BY-SA 3.0

No, not the band but the pattern. Simple squares in gray tones, of course.

Source Atle Mo

Little Pluses #73
 Light  CC BY-SA 3.0

Subtle grunge and many little pluses on top.

Source Atle Mo

Diamond pattern (colour 5) #2281
 Red  CC 0

From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Concrete Wall [email protected] #94
 Light  CC BY-SA 3.0

All good things come in threes, so I give you the third in my little concrete wall series.

Source Atle Mo

Pinstriped [email protected] #666
 Dark  CC BY-SA 3.0

Just like your old suit, all striped and smooth.

Source Alex Berkowitz

Cream Dust #980
 Light  CC BY-SA 3.0

I love cream! 50x50px and lovely in all the good ways.

Source Thomas Myrman

Large [email protected] #650
 Paper  CC BY-SA 3.0

More leather, and this time it’s bigger! You know, in case you need that.

Source Elemis

Circular frame 26 #1711
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by Darkmoon1968

Source Firkin

Prismatic Dots Background [email protected] #510
 Noise  CC 0

Prismatic Dots Background 5

Source GDJ

Seamless Core Pattern #165
 Dark  CC 0

Seamless Core Pattern

Source GDJ