You need to look at either using the built in Salesforce integration to push data from Kentico to Salesforce or look at third party integrations for this.
Secondly, this (ideas.kentico.com) is the correct place to post your ideas about new technology within Kentico.
You might want to check out what Bizstream has put together, Connect for Kentico. It's a pretty cool toolkit which will allow you to connect forms to other 3rd party systems.