Seamless Wood Pattern #889
 Wood  CC BY-SA 3.0

A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.

Source V. Hartikainen

 More Textures
Stone Wall & Yellow #1530
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Tessellation 16 (colour 2) #2214
 Colorful  CC 0

The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.

Source Firkin

Background pattern 258 (colour) #2134
 Red  CC 0

Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Prismatic Curved Diamond Pattern 2 No [email protected] #539
 Diamond  CC 0

Prismatic Curved Diamond Pattern 2 No Background

Source GDJ

Tessellation 15 #2223
 Dark  CC 0

The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.

Source Firkin

Floral design 94 #1792
 Yellow  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

Darth [email protected] #100
 Dark  CC BY-SA 3.0

Diagonal lines with a lot of texture to them.

Source Ashton

Grass #1278
 Green  CC 0

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

Source Sojan Janso

Redox [email protected] #850
 Light  CC BY-SA 3.0

Bright gray tones with a hint of some metal surface.

Source Hendrik Lammers

Brick #1378
 Wall  CC 0

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

Source Linolafett

Dark Steel Grid Background Pattern #1081
 Metal  CC BY-SA 3.0

Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!

Source V. Hartikainen

Asfalt #927
 Dark  CC BY-SA 3.0

A very dark asfalt pattern based off of a photo taken with my iPhone.

Source Atle Mo

Stone Wall & Dark #1493
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Vines #1693
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Subtle Striped Brown Background Pattern #940
 Stripes  CC BY-SA 3.0

Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.

Source V. Hartikainen

Soft Circle Scales #113
 Light  CC BY-SA 3.0

Japanese looking fish scale pattern.

Source Ian Soper

Retro Squares Background 7 #397
 Noise  CC 0

Retro Squares Background 7

Source GDJ

Floral pattern 15 #1753
 Dark  CC 0

The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Dark Metallic Background Pattern #1088
 Metal  CC BY-SA 3.0

A dark background pattern/texture of a dimpled metal plate.

Source V. Hartikainen

Floors & Net #1616
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Brick Wall #1146
 Wall  CC BY-SA 3.0

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

Source Benjamin Ward

Background pattern 236 #2249
 Dark  CC 0

Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Prismatic Geometric Tessellation Pattern No Background #551
 Noise  CC 0

Prismatic Geometric Tessellation Pattern No Background

Source GDJ

Background pattern 266 #2068
 Dark  CC 0

Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.

Source Firkin

Wine Cork #33
 Light  CC BY-SA 3.0

Wine cork texture based off a scanned corkboard.

Source Atle Mo

Floors & Black #1610
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

"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

Flourish 1 #2300
 Dark  CC 0

From a drawing in 'Gately's World's Progress', Charles Beale, 1886.

Source Firkin