JLink lets users author flow charts based on ISO 5807 and IBM standards. Developers can use JLink to add flowcharts to applications, serve a flow chart over the web in PDF or PNG, or dynamically create a flowchart with Javascript, Python or Ruby scripts
RStatServer is a system for quickly developing and deploying web applications that integrate statistical computations and graphics. It is built using the Zope webapplication develeopment system and the open-source statistical data analysis environment R