Texturetastic [email protected] #616
 Paper  CC BY-SA 3.0

This ladies and gentlemen, is texturetastic! Love it.

Source Adam Pickering

 More Textures
[email protected] #186
 Light  CC BY-SA 3.0

One more sharp little tile for you. Subtle circles this time.

Source Blunia

Floral Pattern Background 3 #218
 Noise  CC 0

PDP

Source GDJ

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

Prismatic Geometric Pattern Variation 2 With Background

Source GDJ

Dark Wall #817
 Dark  CC BY-SA 3.0

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

Source Atle Mo

Checkered Pattern #322
 Grid  CC BY-SA 3.0

Simple gray checkered lines, in light tones.

Source Radosław Rzepecki

Mocha [email protected] #1100
 Gray  CC BY-SA 3.0

You don’t see many mid-tone patterns here, but this one is nice.

Source Joel Klein

Fabric pattern 3 (colour 2) #2386
 Fabric  CC 0

Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Prismatic Hexagonalist Pattern No Background #390
 Light  CC 0

Prismatic Hexagonalist Pattern No Background

Source GDJ

Background pattern 195 #2587
 Grid  CC 0

Inspired by a pattern I saw in a 19th century book. This seamless pattern was created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.

Source Firkin

Old Wall #346
 Wall  CC BY-SA 3.0

Old concrete wall in light shades.

Source Bartosz Kaszubowski

Binding Light #1136
 Light  CC BY-SA 3.0

Light gray version of the Binding pattern that looks a bit like fabric.

Source Newbury

Wall #1362
 Wall  CC 0

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

Source Linolafett

Psychedelic Geometric Background No Black #382
 Noise  CC 0

Psychedelic Geometric Background No Black

Source GDJ

"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

Wood 11 #1456
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Square ornament 32 #2433
 Dark  CC 0

Drawn in Paint.net using the kaleidoscope plug-in and vectorised.

Source Firkin

Flower [email protected] #742
 Noise  CC BY-SA 3.0

Sharp pixel pattern, just like the good old days.

Source Paridhi

Brilliant #753
 Light  CC BY-SA 3.0

This is so subtle you need to bring your magnifier!

Source Carlos Valdez

Asfault 1 #1380
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Brick #1373
 Wall  CC 0

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

Source Linolafett

Knitted Netting #603
 Grid  CC BY-SA 3.0

A bit like some carbon, or knitted netting if you will.

Source Anna Litvinuk

Tex2res1 #721
 Fabric  CC BY-SA 3.0

Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.

Source Janos Koos

Wall #1249
 Wall  CC 0

Zerro CC tillable texture of stones photographed and made by me. CC0

Source Sojan Janso

Tessellation 16 (colour 5) #2211
 Yellow  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

Prismatic Dots Background [email protected] #504
 Noise  CC 0

Prismatic Dots Background 2

Source GDJ

Page ornament 41 #2092
 Dark  CC 0

Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.

Source Firkin

Decorative divider 283 #1856
 Dark  CC 0

From a drawing in 'In an Enchanted Island', William Mallock, 1892.

Source Firkin

Background pattern 220 (colour) #2359
 Pink  CC 0

Colour version of the original seamless pattern.

Source Firkin

Merely Cubed #589
 Grid  CC BY-SA 3.0

Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.

Source Etienne Rallion