Prismatic Groovy Concentric Background No Black
Source GDJ
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A free background pattern with abstract green tiles.
Source V. Hartikainen
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless web texture of "green stone".
Source V. Hartikainen
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
The image depicts polka dot seamless pattern.
Source Yamachem
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
One more sharp little tile for you. Subtle circles this time.
Source Blunia
It looks very nice I think.
Source V. Hartikainen
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin