Project Description
Two utility classes for using log4net in Sharepoint 2007 (either WSS or MOSS):

1. Log4net ULS Appender
2. Log4net serializable wrapper that can be used in workflows (implements the ILog interface and wraps a log4net concrete logger)

You can read a little bit more about it here: http://geekswithblogs.net/dotnetrodent/archive/2008/09/11/125079.aspx