"Among the changes between QCad Community Edition and LibreCAD
are: up to date Qt4 based user interface (QCAD Community Edition
uses Qt3), plug-in system, autosaving and better reading of DXF
files. Also, QCAD Community Edition is officially only available
for Linux (and QCAD itself is cross-platform, but it's not free),
while LibreCAD is cross-platform.
"With this release, LibreCAD is finally considered stable, but
it still needs a lot of work, so don't expect it to compete with
professional applications like AutoCAD. Further more, LibreCAD
doesn't come with documentation - it initially included QCAD's
documentation but it had to be removed because it wasn't published
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