Resorcerer was created for the operating systems that were first created in what year?
Resorcerer: Resorcerer is a resource editing program by Mathemaesthetics for the Macintosh operating systems. Macintosh operating systems: The family of Macintosh operating systems developed by Apple Inc. includes the graphical user interface-based operating systems it has designed for use with its Macintosh series of personal computers since 1984, as well as the related system software it once created for compatible third-party systems.
1984