FRC-DB is a dynamic database of FIRST Robotics Competiton (FRC) teams intended to help with scouting by showing useful statistics for teams and events.
It consists of:

• A Web Interface to display information and statistics
• A Crawler to gather information from various sources
• A series of Algorithms to calculate the statistics
• A Database, to store gathered information and
• An API for working with the gathered data

It is 100% pure Java. As for libraries it's built on, it uses:

• Tomcat as servlet container
• Apache2 as web server (details)
• wingS as the web UI library
• HtmlUnit as the base for the crawler
• Jama as the matrix package
• db4o as the database and
• NetBeans for development