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.

Cerner CareTracker - Healthcare Analytics

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

UpToDate - UpToDate, the evidence-based clinical decision support resource from Wolters Kluwer, is trusted at the point of care by clinicians worldwide.

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

CareCloud - Innovative cloud-based practice management and EHR software, revenue cycle management and patient engagement. See what CareCloud can do for your practice.