Opt sim is a free open source web based optics simulation software for windows.
Lens design software open source.
Here is a link for.
Openraytrace is an optical lens design software that performs ray tracing.
It is built using python wxpython and pyopengl.
Download jocular for free.
Optical design software for optical systems comprised of light sources lenses apertures prisms imagers photometers etc.
Simulate light through the system and compute images and intensities at various locations in the design.
I recommend you to use the original synopsys lens design program which is similar to the softwares you mentioned above but it has its special and powerful features to make it unique such as psd iii algorithm dsearch zsearch.
Oslo optics software for layout and optimization is a powerful optical design program with the scope needed to meet today s optical design requirements.
Optical design software for simulating systems of lenses prisms etc.
It is a simple and straightforward optics simulation software that lets you create various optical scenarios by using multiple lenses and an object.
In addition to classical lens design features it combines advanced ray tracing analysis and optimization methods with a high speed macro language to solve a wide variety of new problems.