I need a Market research on Project Management Software/website, including; 
- top 5 project management software for businesses and comparison
among them, (like Microsoft Project) (pricing, web sites, type of
technology, etc.)?
- market share for these top 5 project management software (users and $)?
- who are the top 10 customers for each one of these project management software ?
- what is the total market in $ for project management software ?
- what % of businesses are using project management software ?
- what kind of businesses & industries are using project management
software (# of employees)
- what are the primary reasons some businesses are not using project
management software?
    what capabilities and features are lacking, what features and
capabilities customers are looking for?

include sources for all info