Deepnote - A collaboration platform for data scientists
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Gyana - Intuitive easy-to-use report and dashboard tool to stop wasting time on repetitive and tedious tasks.
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.
Cron - Cron Calendar.
Microsoft To-Do - Task management tool