Gephi is a free and open source graph application for Windows, Mac OS X and Linux. Using Gephi you can visualize and manipulate very large graphs. It is written in java and released under GNU General Public License v3.0 and…
Ngraph is a free and open source graph application for Linux, Windows and MacOS. It is released under GNU General Public License v2.0 license. Using this application you can create beautiful scientific 2 dimensional graphs for your studies and other works. It is very useful application for researchers and engineers. You can export the graphs in PostScript, SVG, PNG or PDF format. It comes with frame, section and cross graph supports.
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Veusz is a free and open source scientific plotting and graphing software for Windows, MacOS and Linux. Using Veusz you can draw 2D and 3D plots easily and you can use as a Python module for plotting also. Object-based plotting widgets are very important feature in veusz. It is used to create and customize your plots. Veusz supports data import from text, CSV, HDF5 and FITS and output in vector, bitmap, PDF, Postscript, SVG and EMF. It also supports plugin. Using this you can extend its features. It is released under GPL version 2 or greater licence. It is written in Python and c++.
