How to sales my product

I developed Web Based Timesheet Application.This Application is used to
tracking employee working hours and project hours so using this report you
can easily calculate employee performance and which project gives more
profit.
Here we built this application very simple and easy to use.And also provides the following offers there is
no user based license and no yearly renewal and also source code is free
once buy it.And also i created separate sales page and then i promoting in social media but still get any sales or traffic so any other strategy should i follow. share your ideas and suggestoins