ablancodev

Create a conversion funnel in your wordpress. 
It allows for seamless tracking and categorization of users based on their conversion states, providing valuable insights to optimize marketing strategies and enhance overall user engagement.
You can create leads manually or automatically when register new users.
Users can travel through the conversion funnel by visiting different pages.
Referrer system ready with url param.
If you need to notify them, you can use WordPress emails.

Funnel

Streamline Your Marketing: Effortlessly Navigate User Conversion Paths

TrackToAct

TrackToAct VisiLeads is a lead generating plugin that lets you turn website visitors into contacts. This plugin adds TrackToAct VisiLeads smart sensor code on your pages. You simply enter tracking code and VisiLeads does the rest including activating the Autosuggest feature to increase conversions on existing web forms. See http://tracktoact.com/ for more info.

Funnel vs TrackToAct