Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
NinjaOne - NinjaOne (Formerly NinjaRMM) provides remote monitoring and management software that combines powerful functionality with a fast, modern UI. Easily remediate IT issues, automate common tasks, and support end-users with powerful IT management tools.
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.
Atera - The only IT management platform powered by Action AI™
Org mode - Org: an Emacs Mode for Notes, Planning, and Authoring
Microsoft Operations Management Suite - Microsoft Operations Management Suite enables user to gain visibility and control across the hybrid cloud with simplified operations management and security