A software stack is a group of programs that work in tandem to produce a result or achieve a common goal. Software stack also refers to any set of applications that works in a specific and defined order toward a common goal, or any group of utilities or routine applications that work as a set. Installable files, software definitions of products and patches can be included in a software stack. One of popular Linux-based software stack is LAMP (Linux, Apache, MYSQL, Perl or PHP or Python) .WINS (Windows Server, Internet Explorer, .NET, SQL Server) is a popular Windows-based software stack.
Techopedia explains Software Stack
Software stacks have many benefits:
They provide predefined solutions to problems and at times are the best solutions.
They provide the minimum software needed to achieve the intended goals.
Software stacks can be installed on individual systems or added to computer templates for automatic installation.
Software stack installation and functioning is the same for the same configurable systems. As such, the solutions provided are also consistent.
Most of the software stacks come with support for the entire package. Some also have community forums.
Software stacks can be deployed using an image or software definitions.