The two packages are complements of each other.
SNIPS will be announced on the nocol-users mailing list when it is available.
If the monitor is not running, then try running it in debug mode (most monitors will take the -d option for running in debug mode).
Hence, when a site goes down first, it will be logged at 'warning' level. If it comes back up, it will be marked as up but will be logged at a loglevel of 'warning' since that was the old severity. This mechanism allows you to not only detect when a device goes critical, but also detect when the device comes back up.