The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Used a cherry by doctormo to make this seamless pattern
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
8 by 8 pixels, and just what the title says.
Source pixilated
It looks very nice I think.
Source V. Hartikainen
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Abstract Background Design No Black
Source GDJ
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin