We store our data natively in Salesforce, so whatever you want to do with your data, you can. Export it to a mapping tool (we include geolocation coordinates), run Opportunity Reports based on the Lead Source, run reports based on Lead Task History . . . everything is possible.
All of those reports can then turn into Dashboards, where like reports, you can use your own, use Salesforce standard reports, or use ours.
Daddy Analytics comes with 20 Prebuilt reports:
Which feed data to half a dozen Dashboards.
Showing information like Lead Conversion Rates:
Or Leads by Lead Source:
Or Cumulative Leads by Lead Source: