High Quality Content by WIKIPEDIA articles! Quest Software (NASDAQ: QSFT) is a computer software manufacturer headquartered in Aliso Viejo, California. Founded in 1987, Quest develops, manufactures and supports software used by Information Technology (IT) professionals in a variety of industries. Although the company may be best known as the maker of TOAD, a popular product used by database professionals, it offers other products that develop, manage, monitor and protect packaged and custom software applications, as well as associated software infrastructure components, such as databases, application servers, operating systems and hypervisors. The company has a reputation for following IT spending trends and investing in technology areas such as virtualization, cloud automation and backup and recovery.