From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
CC0 and seamless wellington boot pattern.
Source SliverKnight
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Prismatic Snowflakes Pattern No Background
Source GDJ
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ