Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
GNU Health - GNU Health is a Free/Libre project for health practitioners, health institutions and governments.
Socio - Connecting with people is just a "phone shake" away!
OpenMRS - OpenMRS is a community-developed, open source, enterprise electronic medical record system platform.
Eventsquid - Eventsquid is a SaaS-based event management and registration software for corporate and small-scale event planners.
drchrono - An EHR built for your specialty: