Terse syntax C# command line parser for .NET. For FSharp support see CommandLineParser.FSharp. The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command line arguments and related tasks.
OpenPop.NET is an open source implementation of a POP3 client and a robust MIME parser written in C#.
It allows developers easy access to email on a POP3 server in a matter of minutes.
The project is backed by several hundred test cases and is therefore believed to be very robust....
NHapi is a port of the original project HAPI.
NHapi allows Microsoft .NET developers to easily use an HL7 2.x object model. This object model allows for parsing and encoding HL7 2.x data to/from Pipe Delimited or XML formats. A very handy program for use in the health care industry.