Taskade - Make lists, organize your thoughts, and be inspired to get things done. Taskade is a collaborative space for your tasks.
Troops Slack Sales Gong - The most customizable Salesforce Gong in Slack
Tatsu - Standup meetings for remote teams.
Attentive - A marketing channel, built for retail & e‑commerce
Any.DO - The #1 task management app used by over 11 million people globally, Any.do is your free mobile and online task manager for Android, iPhone, Web and more.
StatusOk (Open source) - Get notified through Slack/email when your website is down