Uversa has just released the standalone version of FreeB. To download go to the FreeB page and click snapshot. FreeB is the worlds first GPL Medical Billing engine. FreeB supports X12 837p and CMS(HCFA) 1500 formats. FreeB is a standalone engine, it can interface with any practice management system or EMR to provide medical billing capabilities to that system. FreeB is the sister project of ClearHealth. Commercial support is available through Uversa