Here is a list of just some of the Electronic Medical Record Vendors out there, unfortunately, none of these are free:

LeonardoMD- website

Greenway Medical- website- Good Product
DoctorsPartner – website – Electronic Medical Records
Medicat – website – Electronic Medical Records
Life Record – website – An interesting site and premise, based I-phone compatible.
MirrorMed – website – Free and Open Source EHR and Practice Management System
OpenEMR – website – Free and Open Source EHR and Practice Management System
FreeMed – website – Free and Open Source EHR and Practice Management System
A4 Health Systems – website
NextGen – website- Costly but many people love it.  Cumbersome billing platform.
eClinicalWorks – website- Okay EMR but poor support
eMDs – website – EMR Demo
WebMD – website
Medtuity – website – EMR Only
Praxis – website
Medinotes now Eclipsys – website-Great EMR and Free licensing through Physicians World Online

Eclipsys- Peak Practice-website Amazing product with Patient online bill pay, inventory management and patient portal.

Contact EMR@pwomail.com for a free demo. Free licensing exclusively through Physicians World Online.

Intuitive Medical- UROCHART- website Great product for Urologists. Discount available through this site:  info@freeemrsolution.com.
Office Practicum – website – Pediatrics EMR
Practical Medical Record – website – New Pediatric EMR
DescriptMED – website
Medamation – website – EMR Only
Practice Sudio Suite – website
Practice Partner – website – EMR Demo
OmniMD – website – Specialty EMR
SoapWare – website

AdvancedMD- Great Practice Management Solution- emr coming soon

NextTech- website- Dermatology and Plastic Surgery EMR and PM Software
gloEMR – website
SynaMed – website
practiceIT – website