== GuideStar (aka Philanthropic Research, Inc.) == GuideStar, http://www.guidestar.org, is the leading source of information about U.S. nonprofits. It connects people and organizations with information on the programs and finances of more than 1.7 million IRS-recognized nonprofits. No other resource matches the depth and breadth of information that GuideStar provides about these organizations. GuideStar serves a wide audience inside and outside the nonprofit sector, including individual donors,… (More on Guidestar)