Win32 API trace/debugger spy for Windows 95/98/NT/2000. It monitors kernel, DDE, ODBC, COM, OLE, registry, serial, shell, MAPI, TAPI, Internet, window related APIs. (Systems Software Technology, Inc.)
TracePlus/Web Detective (eBusiness Edition) is a performance analysis and diagnostic tool specifically designed for Web development. Analyze the HTTP and HTTPS protocols used by an application and view performance and diagnostic information.