meminfo is a program similar to the program `free' on the Linux platform. The advantages of `meminfo' are multiple platform support, enhanced options, simpler output, and more thorough documentation.
IPTables Queue LOGger (iptqlog) produces clean, easy to understand and (optionally) colorized logs of the packets that were sent to the user space using the QUEUE target of iptables
JMC Process Checker offers a higher availability for your services on linux servers, by monitoring the process table and taking actions according to your preference.