Jeszra is a visual designtool, which combines
2D- vector graphics and GUI design.
Jeszra is written in Tcl/Tk and creates reusable code for:
* Tcl, Ruby, Lisp and Python.
* DocBook based reference pages.
* SVG import and export.
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