Seamless Core Pattern 6 #170
 Dark  CC 0

Seamless Core Pattern 6

Source GDJ

 More Textures
[email protected] #754
 Light  CC BY-SA 3.0

This is so subtle you need to bring your magnifier!

Source Carlos Valdez

Dark Embroidery #1340
 Dark  CC BY-SA 3.0

A classic dark tile for a bit of vintage darkness.

Source Listvetra

Dark Blue Gray Wallpaper Texture #901
 Stripes  CC BY-SA 3.0

This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!

Source V. Hartikainen

My Little Plaid #332
 Light  CC BY-SA 3.0

Repeating squares overlapping.

Source Pete Fecteau

Vintage Clay Tile 5 #1462
 Unknow  CC 0

Gamedev - Roofs Textures. CC0 License.

Source Davit Masia

Background Patterns - Bronze #246
 Fabric  CC 0

If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117

Source Viscious-Speed

Soft Circle Scales #113
 Light  CC BY-SA 3.0

Japanese looking fish scale pattern.

Source Ian Soper

[email protected] #948
 Light  CC BY-SA 3.0

The name tells you it has curves. Oh yes, it does!

Source Peter Chon

Flowery pattern 4 #2328
 Colorful  CC 0

Remixed from a vector adapted from a jpg on Pixabay. The tile this is constructed from can be had by selecting the rectangle in Inkscape and using shift-alt-i.

Source Firkin

Stone Wall & Yellow #1578
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Food and drink design #1897
 Dark  CC 0

Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.

Source Firkin

Vintage pattern #1961
 Grid  CC 0

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

Source Firkin

Broken Noise #364
 Dark  CC BY-SA 3.0

Beautiful dark noise pattern with some dust and grunge.

Source Vincent Klaiber

Background pattern 306 (colour 6) #1878
 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

birdface seamless pattern #2470
 Unknow  CC 0

The image depicts a seamless pattern made using a bird's face.

Source Yamachem

Background pattern 227 (colour 4) #2311
 Green  CC 0

A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.

Source Firkin

Egg [email protected] #862
 Light  CC BY-SA 3.0

It’s an egg, in the form of a pattern. This really is 2012.

Source Paul Phönixweiß

Seamless Core Pattern #165
 Dark  CC 0

Seamless Core Pattern

Source GDJ

[email protected] #289
 Light  CC BY-SA 3.0

Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!

Source Carolynne

Background pattern 323 (colour 5) #1808
 Noise  CC 0

Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.

Source Firkin

3px Tile #342
 Dark  CC BY-SA 3.0

Tiny dark square tiles with varied color tones.

Source Gre3g

Background pattern [email protected] #562
 Dark  CC 0

Background pattern 104

Source Firkin

Planks & Wornboards #1350
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Brushed Alum [email protected] #66
 Dark  CC BY-SA 3.0

Because I love dark patterns, here is Brushed Alum in a dark coating.

Source Tim Ward

Leaded glass background (colour 5) #2050
 Colorful  CC 0

Seamless pattern the tile.

Source Firkin

Prismatic Snowflakes Pattern 2 No [email protected] #782
 Light  CC 0

Prismatic Snowflakes Pattern 2 No Background

Source GDJ

[email protected] #126
 Dark  CC BY-SA 3.0

And some more testing, this time with Seamless Studio. It’s Robots FFS!

Source Seamless Studio

Fabric 1 #9
 Light  CC BY-SA 3.0

Semi-light fabric pattern made out of random pixels in shades of gray.

Source Atle Mo

Retro Squares Background [email protected] #417
 Noise  CC 0

Retro Squares Background 2

Source GDJ