Grunge Wall #81
 Wall  CC BY-SA 3.0

Light gray grunge wall with a nice texture overlay.

Source Adam Anlauf

 More Textures
Dark Wall #817
 Dark  CC BY-SA 3.0

Just to prove my point, here is a slightly modified dark version.

Source Atle Mo

Light Note Paper #942
 Stripes  CC BY-SA 3.0

Here's an yet another seamless note paper texture for use as a background on websites.

Source V. Hartikainen

Vintage pattern #2296
 Brown  CC 0

Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Dungeons & Flagons 1 #1417
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Vintage Speckles #653
 Wall  CC BY-SA 3.0

Lovely pattern with splattered vintage speckles.

Source David Pomfret

Starry background 2 #1935
 Dark  CC 0

Inspired by a design seen on Pixabay

Source Firkin

Floors & Net #1616
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Stone Wall & Yellow #1481
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 201 (colour) #2497
 Grid  CC 0

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

Source Firkin

Diamond pattern (colour 7) #2274
 Red  CC 0

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

Source Firkin

Background pattern 234 #2259
 Brown  CC 0

Drawn in Paint.net and vectorised in Vector Magic.

Source Firkin

Flying swan pattern #1979
 Blue  CC 0

Remixed from a drawing in 'Line and form', Walter Crane, 1914.

Source Firkin

R.I.P Steve Jobs #292
 Paper  CC BY-SA 3.0

He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”

Source Atle Mo

Concretia 4 #1411
 Dark  CC 0

Gamedev - Concrete Textures. CC0 License.

Source Davit Masia

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

[email protected] #349
 Light  CC BY-SA 3.0

White circles connecting on a light gray background.

Source Mark Collins

Love decorative divider #1910
 Colorful  CC 0

Vector version of a png that was uploaded to Pixabay by pencilparker

Source Firkin

Faded Yellow Stripes, Background Pattern #1218
 Yellow  CC BY-SA 3.0

A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.

Source V. Hartikainen

Prismatic Geometric Pattern Variation 2 With [email protected] #472
 Noise  CC 0

Prismatic Geometric Pattern Variation 2 With Background

Source GDJ

"Brown Stone", Seamless Web Texture #1030
 Stone  CC BY-SA 3.0

This background texture resembles stone. It may be used as a background on web pages or on some of their html elements (header, borders, menu bar, etc.). Just modify it for your needs.

Source V. Hartikainen

Tex2res3 #723
 Fabric  CC BY-SA 3.0

Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.

Source Janos Koos

Fabric (Plaid)@2X #592
 Fabric  CC BY-SA 3.0

You know you can’t get enough of these linen-fabric-y patterns.

Source James Basoo

Psychedelic #745
 Gray  CC BY-SA 3.0

Geometric triangles seem to be quite hot these days.

Source Pixeden

Black And White Floral Pattern Background Inverse #196
 Dark  CC 0

Black And White Floral Pattern Background Inverse

Source GDJ

Brushed Aluminum 3 #1391
 Metal  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Prismatic Abstract Background Design No [email protected] #790
 Noise  CC 0

Prismatic Abstract Background Design No Black

Source GDJ

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

"Polished Stone", Gray Background Pattern #1053
 Stone  CC BY-SA 3.0

A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).

Source V. Hartikainen

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