A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A blue background wallpaper for websites. It has a seamless texture with vertical stripes. It looks quite nice not only when using as a tiled background on websites, but also on computer desktops.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen