According to MERLOTCIT03web.pdf: ( local copy )
The BEST of MERLOT Physics Resources were selected worldwide.
Multimedia Educational Resource for Learning and Online Teaching

Three out of ten selected resources are from this NTNUJAVA site
  1. Vector Addition
  2. Kepler Motion
  3. Traffic Light System (Please check out new EJS version)
Developed by:
Professor Fu-Kwun Hwang (more about me)
Department of Physics , National Taiwan Normal University
Member of CoLoS (Conceptual Learning of Science)
There are more than 400 physics related simuations.
(all available for download to registered user).

Enjoy the fun of Physics with those simulations!