Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
EagleSoft - EagleSoft is a dental practice management software that has features to help manage daily routine like patient scheduling & insurance claims
Geary - Geary is an email application built for GNOME 3.
Dentrix - Dentrix is a practice and office management software for Dentists.
Evolution - Apps/Evolution - GNOME Wiki!
DEXIS Imaging Suite - From remarkable image quality to award-winning products, the legacy of DEXIS has joined forces with the excellence in training, support, and innovation of KaVo Imaging Solutions.