Log4VB 1.1

Unified trace environment consisting of an API plus a trace viewer. A must-have tools for professional developers. All components of all your applications write into the same trace. For development and trouble-shooting at customer sites. Trace output is shown in the viewer w/o delay. All (COM) components contribute to the same trace. Works even for UI-less components like Web Services.
Ссылка: http://www.log4..