Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Old China with a modern twist, take two.
Source Adam Charlts
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin
Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Zero CC tileable ground cracked, crackled, texture, made by me.
Source Sojan Janso
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Prismatic Abstract Geometric Background 2
Source GDJ
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A free background pattern with abstract green tiles.
Source V. Hartikainen
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen