AAplot is a free Mac OS X application that works with Rig Expert antenna analyzers (vector impedance meters). It is not affiliated with Rig Expert and can be adapted to other antenna analyzers if each measurement consists of a frequency, resistance and reactance value.
XDrawChem is a two-dimensional molecule drawing program.
PreviSat is satellite tracking software for observing purposes.
Allows to inspect, create and modify Genealogy Data stored in GEDCOM standard
AcaStat statistical software is an inexpensive and easy-to-use data analysis tool.
LandSerf is used for the visualisation and analysis of surfaces.
It combines an editor with syntax highlighting for the SHELXL-associated files.
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