StatusOk (Open source) - Get notified through Slack/email when your website is down
Troops Slack Sales Gong - The most customizable Salesforce Gong in Slack
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
Get Notified - Get Notified when something happens
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Make.com - Tool for workflow automation (Former Integromat)