Cyberdog was an OpenDoc-based Internet suite of applications, developed by Apple Computer for the Mac OS line of operating systems. It was introduced as a beta in February 1996 and abandoned in March 1997. The last version, Cyberdog 2.0, was released on April 28, 1997. It worked with later versions of System 7 as well as the Mac OS 8 and Mac OS 9 operating systems.