- Visual Basic (VBA & 6.0)
- DB2/400, dBase II, Informix, MS SQL, PostgreSQL, MS Access
- Microsoft Office Suite 97, 2003, 2010, 2013, 2016
- Microsoft Windows 3.1, 95, 98, XP, 7, 8, 10
- IBM Midrange Systems (S/34, S/36, S/38, and AS/400)
- IBM RPG (II, III, 400, IV, ILE), HTML, Crystal Reports, SalesForce