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
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
White handmade paper pattern with small bumps.
Source Marquis
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Honestly, who does not like a little pipe and mustache?
Source Luca Errico
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns