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A Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbars.
IstiChartLib is one of the simplest c++ library for making chart or graph. It is developed using wxWidgets library. For windows, please use IstiChartLib.zip. For Linux (tested on Ubuntu) use IstiChartLib_Linux.tar.gz.
For detailed documentation, please visit www.firagiel.com
Password to extract: firagiel
QNANWidgets is a collection of science/engineering oriented Qt Widgets to help in creating sci/eng. applications and include a chart and plot widget. The widgets are easy to use and can be customized in Qt Designer directly.
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JFreeChart is a free (LGPL) chart library for the Java(tm) platform. It supports bar charts, pie charts, line charts, time series charts, scatter plots, histograms, simple Gantt charts, Pareto charts, bubble plots, dials, thermometers and more.
*** JFreeChart has moved to GitHub: https://github.com/jfree/jfreechart ***
Diagram Lite is a GUI front end that let User draw their diagram/flow chart easily.
It's usable for Computer Science domain, for draw software architecture diagram, logic flow char, etc. It can convert the diagram to both pixel and vector figure.