mono-2.0-service 2.4+dfsg-5 (amd64 binary) in ubuntu karmic

 Mono is a platform for running and developing applications based on the
 ECMA/ISO Standards. Mono is an open source effort led by Novell.
 Mono provides a complete CLR (Common Language Runtime) including compiler and
 runtime, which can produce and execute CIL (Common Intermediate Language)
 bytecode (aka assemblies), and a class library.
 .
 This package contains the mono-service2 manager, used to start and stop CLI
 2.0 services based on the System.ServiceProcess API.