| Phase 1 | Phase 2 | Phase 3 |
---|---|---|---|
   Features | 1988-2002 | 2002 - 2005 | 2006 (Generic HMIS) |
   Operating system | MS DOS | Windows | Linux/Platform Independent |
   Software(Front end) | FoxPro | Visual Basic | Java |
   Database(Back end) | Dbase III | Microsoft Access | MySQL |