Open Dental, previously known as Free Dental, is a Practice Management Software licensed under the GNU General Public License. It is written in the C programming. Top 2. 0 Dental Practice Software 2. Practice management, appt. Learn more about Practice. Compass. Practice management, appt. Dental%20Practice%20Management%20Software%20of%20Excellence%20-%20Good%20to%20Great%20Banner_0.jpg?itok=esc6c6K9' alt='Best Dental Practice Management Software' title='Best Dental Practice Management Software' />Learn more about Practice. Best Dental Practice Management Software© 2017