Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
White circles connecting on a light gray background.
Source Mark Collins
Black And White Floral Pattern Background Inverse
Source GDJ
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
Seamless Green Tile Background
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Gold Triangular Seamless Pattern No Background
Source GDJ
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
There are many carbon patterns, but this one is tiny.
Source Designova
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić