An experiment in procedural generation using WebGL and L-systems.
git clone https://github.com/donomii/lworld
Copy all the files to your webserver directory, or run a micro webserver. All files are static, and the whole program is a webapp that runs in your browser. It does require you to be online to load its supporting libraries like bootstrap and jQuery.
Click and drag the mouse to look around the world. Type commands from the list to create 3D shapes.