The latest optical design software tools for 2022 | Electro Optics
Optical Systems Design, provider of SYNOPSYS™ Lens Design Software - YouTube
OpticalRayTracer Home Page
WHITE PAPER: "Optimization of LED Lens Components using TracePro® Illumination Design and Analysis Software" — LED professional - LED Lighting Technology, Application Magazine
OpticalSoftware.NET - How To do lens design with WinLens [optical design software], Tolerancer, Glass Manager & PreDesigner, MachVis [lens calculator & nomogram]