Dudle - Dudle is an online scheduling application, which is free and open source.
ChiroTouch - ChiroTouch chiropractic software and EHR is a fully integrated practice management software system with on-premises or cloud options.
FullCalendar - FullCalendar is an open-source JavaScript event calendar.
Kareo - Kareo - Go Practice | Medical Office Software for Small Practices
Framadate - Make your polls
eClinicalWorks - eClinicalWorks - the largest Cloud EHR in the nation. Make the switch to eClinicalWorks