The majority of software I have come across can be put into three categories: The first is the 'de facto', which are widely adopted for various reasons, mostly

The majority of software I have come across can be put into three categories: The first is the 'de facto', which are widely adopted for various reasons, mostly marketing, market share, and marketing. The second is the "alternative" options that serve as alternatives to the previously mentioned choices. The remaining software falls into the third category, where the focus is on implementing improvements to the other two categories.