Table 1.
The Centers for Medicare and Medicaid Services-certified free and open source software electronic health record applications.
| Product name | Original practice type | Vender | Product version number | Product classification | Certification year | Certification body |
| OpenEMR | Ambulatory | OEMR | 4.1 | Complete EHRa | 2011 | ICSA labs |
| TolvenEMR | Ambulatory, inpatient | Tolven Inc. | 2.1 | Complete EHR, modular | 2011 | ICSA labs |
| WorldVista | Ambulatory, inpatient | WorldVistA | 2.0 | N/A |
2011 | InfoGrad |
| ClearHealth | Ambulatory | ClearHealth Inc. | 3.1.5 | Complete EHR | 2011 | InfoGrad |
aEHR: electronic health record.