Open Photovoltaics Analysis Platform (OPVAP) is a group of programs using in solar cell research, including single crystal silicon such as polycrystalline silicon and amorphous silicon, polycrystalline thin film CuInGaSe2 (CIGS) or CdTe,

Sandia National Laboratories is facilitating a collaborative group of photovoltaic (PV) professionals (PV Performance Modeling Collaborative or PVPMC). This group is interested in improving the accuracy and technical rigor of PV performance

PVEducation is a collection of resources for the photovoltaic educator.
In a CDROM available online it presents practical and theoretical aspects of photovoltaics such as:
- Properties of Sunlight
- Semiconductors &