Graphy #350
 Grid  CC BY-SA 3.0

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

Source We Are Pixel8

 More Textures
Heart and rose pattern #2419
 Pink  CC 0

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

Source Firkin

Floral divider 2 #1924
 Dark  CC 0

From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.

Source Firkin

Concrete Wall 2 #79
 Wall  CC BY-SA 3.0

A light gray wall or floor (you decide) of concrete.

Source Atle Mo

Grid [email protected] #606
 Grid  CC BY-SA 3.0

Nice little grid. Would work great as a base on top of some other patterns.

Source Arno Gregorian

Cork Floor #1281
 Yellow  CC 0

Zero CC tileable cork floor, photographed and made by me. CC0

Source Sojan Janso

White Wave #681
 Stripes  CC BY-SA 3.0

Light and tiny, just the way you like it.

Source Rohit Arun Rao

Textured Orange Stripe Pattern #997
 Stripes  CC BY-SA 3.0

A textured orange background pattern with vertical stripes.

Source V. Hartikainen

Planks & Roughcedar #1352
 Wood  CC 0

CC0 for Free, hope you like it.

Source Yethiel

Green Dust & Scratches #107
 Wall  CC BY-SA 3.0

Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.

Source Atle Mo

Subtle Carbon #949
 Dark  CC BY-SA 3.0

There are many carbon patterns, but this one is tiny.

Source Designova

White Leather #639
 Fabric  CC BY-SA 3.0

I took the liberty of using Dmitry’s pattern and made a version without perforation.

Source Atle Mo

Stone Wall & Dark #1495
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Old Brown Leather, Seamless Texture #1117
 Leather  CC BY-SA 3.0

This texture looks like old leather. It should look great as a background on web pages.

Source V. Hartikainen

Background pattern 328 (colour 2) #1800
 Green  CC 0

To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i

Source Firkin

Shine Caro #713
 Grid  CC BY-SA 3.0

It’s like Shine Dotted’s sister, only rotated 45 degrees.

Source mediumidee

Background pattern 18 #202
 Dark  CC 0

A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.

Source Firkin

Robots #125
 Dark  CC BY-SA 3.0

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

Source Seamless Studio

Brushed Aluminum 5 #1393
 Metal  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Textured Red Brown Plastic #878
 Wood  CC BY-SA 3.0

Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)

Source V. Hartikainen

Congruent Pentagon #1307
 Unknow  CC BY-SA 3.0

Inspired by this, I came up with this pattern. Madness!

Source Atle Mo

Stone Wall & Dark #1549
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Tactile [email protected] #6
 Dark  CC BY-SA 3.0

A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.

Source Atle Mo

Seamless tile 5 #1804
 Red  CC 0

Formed in Paint.net and vectorised in Vector Magic

Source Firkin

Background pattern 224 (colour 6) #2337
 Colorful  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Paper 2 #21
 Paper  CC BY-SA 3.0

New paper pattern with a slightly organic feel to it, using some thin threads.

Source Atle Mo

White Wall [email protected] #1021
 Wall  CC BY-SA 3.0

A new one called white wall, not by me this time.

Source Yuji Honzawa

Background pattern 290 #1932
 Dark  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Cuckoo Footprint #1321
 Unknow  CC BY-SA 3.0

A cute x, if you need that sort of thing.

Source Juan Scrocchi

Configurable Graph [email protected] #816
 Stripes  CC 0

Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.

Source JayNick