One of the two top strategic goals for FLAP Phase One (which ran from October 2012 through March 2013) was code convergence, to create a shared, common Fileman codebase that all VISTA dialects could run, to maximize our ability to exchange data and software with one another, to ensure that innovations anywhere became innovations everywhere as quickly as possible, and to reduce the amount of reinventing the wheel we had to do.
The main VISTA dialects we aimed at converging for Phase One were:
1) VA VISTA
2) IHS RPMS
3) WorldVistA EHR
4) vxVistA, and