There are these guys with a free offering (for now): http://retainly.com/ http://retainly.com/ As well as using apps like Mixpanel to do "basic" success automa

There are these guys with a free offering (for now): http://retainly.com/ http://retainly.com/ As well as using apps like Mixpanel to do "basic" success automations such as basic email interactions, etc. There's also intercom.io, which is the least expensive (and least comprehensive) CSM app available.