/Library/Application Support/DARE/Zappl
This is the root install directory for Zappl. 

/usr/local/bin/zappl
This is a symlink which points to the main Zappl agent located at /Library/Application Support/DARE/Zappl/Bin/zappl. This agent is responsible for all software installs and updates, as well as sending reporting information to the Zappl portal. 

/Library/Application Support/DARE/Zappl/Bin/uninstall
This agent can be used to uninstall Zappl. 

/Library/Application Support/DARE/Zappl/Bin/updatemonitor
This agent kills the Zappl agent if it hangs during software updates/installs and sends error reports to the Zappl portal when this occurs.