Good list. I hadn’t heard of Notify and piping it directly into Slack is awesome. I have to add one product 😉 and that is Grow.com
Grow connects to all the important data sources and lets know what you are doing so you can grow faster. Pull in your Quickbooks, Salesforce, Mailchimp, Infusionsoft and tons of others to make metrics and dashboards and reports that let you have a data driven company. Check it out!