Other tools include Act On, MailChimp, Constant Contact, etc. There are many email service providers and marketing automation services to chose from so it is vital you pick one that is right for your business needs and growth development. We have a comprehensive Email marketing and marketing automation buyers guide to help with the selection process.
Because it's such a popular communication channel, it has wide-ranging integrations with plenty of other tools. You can tack on a seemingly unlimited amount of integrations and Slack applications to make the tool even more powerful -- for instance, many teams will pipe in A/B test results, analytics notifications, new customer or transaction notifications, or even sales or customer support bots. While undeniably powerful, Slack is easy to start using immediately.