KSEG is a free ( GPL) interactive geometry software for exploring Euclidean geometry. It was created by Ilya Baran.It runs on Unix-based platforms, it also compiles and runs on Mac OS X and should run on anything that Qt supports, it was also ported to Microsoft Windows.
KSEG is a tool designed to let you easily visualize dynamic properties of compass-and-straightedge constructions and to make geometric exploration as fast and easy as possible. KSEG was inspired by the Geometer's Sketchpad , but it goes beyond the functionality that Sketchpad provides.
KSEG can be used in the classroom, for personal exploration of geometry, or for making high-quality figures for LaTeX.
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Software
Free software
