If you'd also like to respond to tweets and Facebook messages from Slack (and Skype), take a look at https://sameroom.io/attend
Looks really promising, it's great to see new comers trying to solve and improve communication with customers as it is probably the most impactful topic for SaaS company.
Thank you for your comment. We'll do our best to achieve this mission :)
I love the fact that you don't need to add another app to your startup stack.
On the paper, it's cool, in real use, it's even better