A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Kaleidoscope Prismatic Abstract No Background
Source GDJ
A free pink background pattern.
Source V. Hartikainen
Prismatic Polka Dots Mark II No Background
Source GDJ
Seamless Olive Green Web Background Image
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Lovely pattern with splattered vintage speckles.
Source David Pomfret
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
The original enhanced with one of Inkscapes's filters.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous