A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper