• Ray-optics: a web app to simulate the reflection and refraction of light https://ricktu288.github.io/ray-optics/ 13 comments 28/5/2022
• Ray Optics Simulator https://phydemo.app/ray-optics/ 8 comments 8/2/2024
• Show HN: LightXLab – Simple Ray Optics Simulation Project https://satu0king.github.io/LightXlab/ 2 comments 10/6/2018