SQL operating system instrumentation and monitoring framework
Logging Framework for C++
C++ library for flexible logging
Snare Enterprise: bit.ly/Snare-Trial
OPTOSS Next Gen Network Management System (NG-NetMS)
A C++11 logging library
Another C++ Hack
Free Syslog Server for Windows with a graphical user interface
Work productivity/efficiency analytics, work-life and time manager
A Resource Activity Monitor for Linux Machines