sensorTrends is a GPL web-based application that displays a high-level view of the ports that are being scanned over the course of time. The display is similar to the look and feel of Internet Storm Center (here.
You can download it from the following link: https://packetstormsecurity.com/files/download/31934/sensorTrends-0.6.tar.gz
Source: https://packetstormsecurity.com/files/31934/sensorTrends-0.6.tar.gz.html