Kaleidoscope Prismatic Abstract No Background
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
The tile this is based on was adapted from an image that was uploaded to Pixabay by frolicsomepl. It can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Sometimes you just need the simplest thing.
Source Fabricio
The name is totally random, but hey, it sounds good.
Source Atle Mo
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
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
A free background pattern with abstract green tiles.
Source V. Hartikainen
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen