Vista Equity-backed Social Solutions, a provider of cloud software for nonprofit and public sector social service organizations, completed the acquisition of Athena Software, a software developer. FInancial terms were not disclosed. "Joining Social Solutions provides Athena Software a platform to accelerate and broaden our mission of empowering social good. With over 40 years of combined leadership in case management software, together we will deliver unparalleled industry expertise and leadership in data analytics and associated insights for our clients," Geoff Bellew, Athena Software CEO.