Duo World Inc., (OTCQB: DUUO) is a software application company specializes in enterprise and cloud business applications for ... large, medium and small scale businesses. Duo World Inc., is been in the software application development industry since 2004 through its subsidiary Duo Software (Pvt) Ltd., Colombo, Sri Lanka which operates as the development and operations center following the acquisition by Duo World Inc. The product portfolio includes an award winning Communication and Colloboration Application (FaceTone), API driven Cloud Subscription and Billing System (CloudCharge), Powerful Business Analytics and Data Visualization Tool (DigIn) and a Cloud Workflow Designing Tool (SmoothFlow). read more