I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Prismatic Polka Dots 3 No Background
Source GDJ
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
As the original image 's page size is too large for its image size, I remixed it.
Source Yamachem
This one is amazing, truly original. Go use it!
Source Viahorizon
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
Sharp pixel pattern, just like the good old days.
Source Paridhi
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
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
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed