CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Prismatic Basic Pattern 2 No Background
Source GDJ
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
Prismatic Hexagonalism Pattern No Background
Source GDJ
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Prismatic Geometric Pattern Background
Source GDJ
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
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
White little knobs, coming in at 10x10px. Sweet!
Source Amos