This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Prismatic Geometric Pattern Background No Black
Source GDJ
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Zero CC Mossy stone tileable texture, photographed and made by me. CC0
Source Sojan Janso
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo