Open Health News 2012 Readers Choice: Most viewed 'Open Source' eHealth software

The global 'open source' software movement continues to grow and strengthen, especially in the field of healthcare. Based on the number of hits by readers of Open Health News (OHN) on links to 'open source' eHealth systems, the following are their top choices of interest: 

The next level of top choices for 'open' eHealth systems contending for our readers interest include:

* See links to more 'open source' health IT systems in the OHN Software Resources section, like OSCAR, RODS, Ushahidi, ClearCanvas, HuGENet, iPATH, HealthMap, iHRIS...

Which is your favorite 'open source' eHealth software solution? Do you have another 'open source' eHealth system you would like to recommend to our readers?