Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Microsoft To-Do - Task management tool
TaskPaper - Plain text to-do lists for Mac
Dawn Calendar - AI calendar scheduling tool
Magnetic - Magnetic is an all-in-one agency management software built for productivity.
Sorted - Sorted³ has been crafted to make scheduling quick and easy. Try it for a few days and it may very well become a productive, yet enjoyable part of your day.