The Open Water Foundation (OWF) is a nonprofit social enterprise that provides open source software and open data solutions to help organizations make better decisions about water. OWF was formed to apply an open source software business model to water resource software, so that organizations have well maintained tools to address important water problems. OWF is leading the effort to collaboratively develop, enhance, and maintain open source water resource software tools, to the benefit of government, universities, business, nonprofits, and the public.