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.

TheraNest - Mental health software for psychologists, social workers, therapists, counselors.

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

Qliq Secure Texting - HITECH and HIPAA compliant secure texting & text messaging app for hospitals, clinics, and healthcare facilities to assist medical professionals.

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

Zipnosis - Zipnosis operates a virtual health care platform that connects patients and clinicians through phone and video interviews.