WITS has developed various applications in Progress OpenEdge 4GL ABL including: Incoming order and Backlog System (IBS) for NCR Netherlands and NCR Italy, Sistema Informativa Servizi Sociosanitari (SISS) for the social services departments of the city of Milano, Piattaforma Rapelli for Rapelli SA, Image Tool for Orior AG and Safe and Sound solution (SAS) build for EcoSafe and used by Granarolo SpA and Armacell GmbH (among others).