The Winfessor Enhanced .NET Trace Library is written in VB.NET, supports class level configuration, and contains both console and Winforms trace receiver interfaces. To use it you simply put a Traceable attribute on your class and call a static method.
daddyQ, written in Python, monitors and logs disk usage on file servers, and take actions on excessive disk usage. Users that are often over their quota or are over the quota with excessive disk usage get their files deleted.