Back in the early days of computers, if you wanted a program or specific function, you programmed it yourself. A couple of companies formed in the 1950s would become the first independent software companies. These companies included Computer Usage Company, Applied Data Research, and Computer Sciences Corporation. By the 1960s new companies
joined these, with Digital Equipment Corporation leading the way with their vast array of programming languages. By the 1970s, in addition to the major software companies such as Digital Research and Microsoft, there were specialty companies. Some of these companies worked in specific area such as Edmark which produced educational games, System Simulation (SSL) which produces museum and archival information systems, and the Minnesota Educational Computing Consortium (later Corporation), most commonly known as MECC, which created the simulation Oregon Trail.
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