General What is SLC for?

It provides QA tools.

Technical How do I start the demo?

From the demo directory ( cd demo ) of the source distribution (or workingcopy) run:
mvn argeo-osgi:equinox -Pserver
then, in another console, also in the demo directory:
mvn argeo-osgi:equinox -Pagent
Then open http://localhost:7070/org.argeo.slc.ria