Viridus
 Viridus is a Massachusetts-based online professional network startup. It was originally founded in 2007 in Arlington Massachusetts by Furqan Nazeeri Entrepreneur-in-Residence at Softbank Capital and Michael DiPietro a former VP at an environmental health and safety software company. In April 2008 the company announced the beginning of a private beta.Viridus is a mashup of the Latin root virid meaning green and us or community. It is pronounced veer-id-us.