A collection of more than 30 IP networking components written in C#, including HTTP, SMTP, Whois, SOAP and Telnet. By /n software, Inc.

Communicate with any FTP server in your .NET programs. Sync, Async and all common proxy servers supported.

A SNTP/NTP time synchronization library for .NET and .NET Compact Framework. By Rebex.

Parse MIME and Email messages. Decodes quoted printable, MIME body parts, and email properties. Stream email body parts to ASP.NET webpages. By Advanced Intellect.

A FTP client library written in C# for .NET applications. [Open source, LGPL]

A CVS client library written entirely in C# for the .NET platform. It is implemented as an assembly, and thus can easily be incorporated into other projects. [LGPL]

Perform DNS lookups. Includes synchronous and asynchronous method calls. By Advanced Intellect.

Msn Messenger object model for the .NET platform.

Client side .NET component for Telnet and SSH protocol. By WeOnlyDo! Software. [Commercial, open source]

Transfer data securely over SSH layer using AES, DES, and BLOWFISH encryption. By WeOnlyDo! Software. [Commercial]