You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
A free seamless background with pink spots.
Source V. Hartikainen
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Prismatic Polyskelion Pattern No Background
Source GDJ
The image is the remix of "wire-mesh fence seamless pattern" .This is a more minute version of it.Sorry for the file size.Using path>difference in Inkscape, I will cut out any silhouette from this pattern and create a "meshed silhouette".
Source Yamachem
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
A bit strange this one, but nice at the same time.
Source Diogo Silva
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Classic vertical lines, in all its subtlety.
Source Cody L
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor