Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

CentralReach - CentralReach offers a comprehensive, web-based practice management solution. CentralReach fully integrates scheduling and billing tasks

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

QGenda - QGenda is scheduling success. Join the over 200,000 providers, staff, and administrators who trust QGenda to optimize their scheduling processes, reduce labor expenses, and improve provider performance.

EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.

OnShift - OnShift is a SaaS-based platform that provides staff scheduling and shift management software for the healthcare industry.