Ascential Software was a software company that specialized in data integration and data management solutions. The company was founded in 1997 and was headquartered in Westboro, Massachusetts. Ascential Software developed a range of products that helped organizations to extract, transform, and load (ETL) data from a variety of sources and to integrate it into a central repository. The company's products were used by a wide range of organizations, including Fortune 500 companies, government agencies, and universities. Ascential Software was acquired by IBM in 2005 and is now known as IBM Information Server.