
Freeware is computer software which is made available free of charge. Typically freeware is proprietary; distributed without source code.
The Huygens Software is partially freeware:
Moreover you can always test the image restoration (deconvolution), visualization and analysis Huygens tools fully and for free! Just contact SVI to → Test The Software!
Read more about freeware software in the Wikipedia.
The open source Scientific Image Data Base microscopic image archive uses the programmable Huygens Scripting in freeware mode to handle 3D images and create 2D thumbnails by using MIP projections.
Three view thumbnail in the Scientific Image Data Base