I mainly use EngageBay for email marketing and follow-up sequences, and that has worked well for us.
What I like most is being able to setup a sequence once and let the follow-ups go out automatically. I don't have to keep checking who needs an email or remember when I last followed up. Setting up the emails and delays between them is also pretty simple once you get used to it.
I also find the email tracking useful. Being able to see opens and clicks gives me a quick idea of whether people are engaging with the emails or not.
For our team, the main advantage is simply that email follow-ups take less manual work now. Review collected by and hosted on G2.com.
There are quite a few features, so it took me little while to get familiar with everything. The interface can also feel a bit busy in some areas. Review collected by and hosted on G2.com.