Aldus Corporation was a software company that developed desktop publishing (DTP) software. It is known for developing PageMaker, an early product in the desktop publishing field. The company is named after 15th-century Venetian printer Aldus Manutius, and was founded by Jeremy Jaech, Mark Sundstrom, Mike Templeman, Dave Walter, and chairman Paul Brainerd. Aldus Corporation was based in Seattle, Washington.