Paligo is an end-to-end Component Content Management System (CCMS) solution for technical documentation, policies and procedures, knowledge management, and more.
Complete mail business rules processor and MTA. Also provides antivirus (ClamAV) and anti spam (Spamassassin) solutions. Based in Java and OSGI with Spring DM and MySQL data base for statistics. Can be easily extended.
The JPL Server Monitor will check to ensure websites and server services are running and responding. It also tracks the response time of the site/service. There is a cron script that can be activated to automate the checks.