TouchStone Software Corporation, Inc., founded in 1982, is an American software developer for the personal computer (PC) industry, specializing in system update technology.

[1][2] It also owns and operates a network of Internet Web properties.

Based in Marco Island, Florida, the company was a subsidiary of Phoenix Technologies until 2010 [3][4] when it was acquired by the former management team who sold the company to Phoenix Technology in 2008.

The company's portfolio of Internet properties serve as the main outlet to deliver its software products, such as RegistryWizard, DriverAgent and BIOS Agent.