VIP Pharmacy Management System - VIP Pharmacy Systems provides a fast, user-friendly software designed to simplify your pharmacy and help you grow your business!
Mu4e - Starting with version 0.9.8, mu provides an emacs-based e-mail client which uses mu as its back-end: mu4e.
PrimeRX - Micro Merchant Systems
Mutt - Mutt is a small but very powerful text-based mail client for Unix operating systems.
PainScale - Find treatments for your chronic pain
Mailspring - Mailspring is a mail client for Mac, Windows and Linux.