A simpler way: Look at what big tech company x is doing that looks to be selling. Do they use an open source solution to it if it is software based? Do they provide a api or something that could be useful? Is there a market for an addition built on their framework or is it based off of an open source implementation which can be improved?
If yes to all above then you can maybe turn that into a product. A great site for seeing what is available for frameworks is yeoman: http://yeoman.io/generators/ .
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A simpler way: Look at what big tech company x is doing that looks to be selling. Do they use an open source solution to it if it is software based? Do they provide a api or something that could be useful? Is there a market for an addition built on their framework or is it based off of an open source implementation which can be improved?
If yes to all above then you can maybe turn that into a product. A great site for seeing what is available for frameworks is yeoman: http://yeoman.io/generators/ .