Nafun Automation Portal is a flexible, convenient and easy-to-use software package for the development of SCADA/HMI applications with a Web Server support. An integrated development environment provides a set of tools for the easy and intuitive creation of multi-language applications. Development tools include the popular libraries Symbol Factory 2.5 (static graphical symbols) and Industrial Gadgets ActiveX (animated graphical objects). An extensive library of drivers supports most communication protocols (OPC, Siemens, Omron, Allen Bradley, Modbus RTU, Modbus TCP, KNX, etc.) with electronic devices such as PLCs, controllers, indicators, etc. History files in CSV format and ODBC support provide an interface to the most common Windows applications (Excel, SQL, etc.). There is a simple programming language that allows application enhancement and easy customization. Nafun Automation Portal makes it possible to set up distributed Client/Server architectures on Intranet/Internet networks or to create web applications accessible from Internet Clients with a simple browser.