Downloading gpvdm 7.88.17 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free program is a product of Roderick MacKenzie. The software relates to Photo & Graphics Tools. The program's installer file is commonly found as gpvdm.exe. The most popular version of the gpvdm 4.9.
From the developer:
gpvdm is a free general-purpose tool for the simulation of opto-electronic devices. It was originally written to simulate organic solar cells, but it has now been been extended to simulate other classes of device, including OLEDs, OFETs and many other types of 1st, 2nd and 3rd generation solar cells.
You may want to check out more software, such as EasyPlan, Vue Infinite or AllyCAD, which might be related to gpvdm.