logview4net is a log viewer/log monitor for data created by various sources. It can listen to UDP, tail a file, tail a SQL table, monitor the eventlog and watch RSS and Atom feeds. It requires the Microsoft .NETFramework 2.0
Dotnet IL Editor (DILE) allows disassembling and debugging .NET 1.0/1.1/2.0/3.0/3.5 applications without source code or .pdb files. It can debug even itself or the assemblies of the .NETFramework on IL level.
A C#, C++, Delphi, ActiveX ,javascript and Java trace framework and a trace viewer: Tail, outputDebugString, event log, Log4J, Log4Net, Microsoft EIF support and Pocket PC development (C++ and .NET)
Logger.NET is a logging framework which enables you to include code which contains logging information (like Entermethod, Exitmethod, variable values etc) to be logged.
For licensing questions, see license.txt in the releases
dotUnit is a port of JUnit (www.junit.org) to the Microsoft .net platform. This testing framework allows for automated unit and functional tests which are vital for refactoring and regression testing.