Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Oh yes, it happened! A pattern in full color.
Source Atle Mo
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
A classic dark tile for a bit of vintage darkness.
Source Listvetra
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Alternative colour scheme for the original floral pattern.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso