Mail
4ASPNET POP3 .Net Component, Active Mail, aspNetEmail, aspNetPOP3, Chilkat EMAIL.NET, Curchy IMAP Component, devMail.Net, EasyMail .Net Edition, Email Checker .NET, EmailQ.NET
.NET CVS Library (NetCvsLib)
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]
ABCUpload .NET
ASP.NET file upload component with progress bar and file corruption auto-fixing. Unicode and MacBinary compatible. By WebSupergoo.
AFTek CallControl
Integrate remote data, audio and video communications (H.323) into your application.
AFTek ComControl
Provides multi-threaded RS-232 serial communications. Supports XMODEM and YMODEM standard protocols.
AFTek IRControl
Provides infrared communications between .Net applications running on desktop PC's and handheld PDAs. Supports OBEX protocol.
AlertPOP .NET
Non-intrusive popup messages similiar to MSN Instant Messenger and Yahoo Messenger.
aspNetDns
Perform DNS lookups. Includes synchronous and asynchronous method calls. By Advanced Intellect.
aspNetMime
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.
ComponentScience TransPort
A serial and Winsock communications library for the Microsoft .NET Framework. Includes support for X-, Y-, and Z-Modem.
ComponentSpace .NET Internet Suite
Consists of over 150 classes covering the most popular Internet protocols and includes DNS, FTP, ICMP, NTP, SMTP Email Checker, Trace Route and Who Is components. [Commercial]
DeepakChitnis DnsMX
A .NET component resolve the mail servers of any given domain using the MX record of the DNS System.
Devshock .NET SmppClient
A component was designed to provide support for any kind of application oriented to the SMS environment.
Devshock .NET SockClient
A library for socket client application.
Devshock .NET SockServer
A library for socket server applications.
DNS .NET
Query DNS servers for MX and all the other resource record types defined by RFC-1034 and RFC-1035. By ComponentSpace.
dotEtiveFTP
Transfer, rename, delete, make, enumerate files and folders synchronously and asynchronously. It supports Socks 4/4A/5, IPv6, transfers resuming, recusive folder transfer, custom commands, transfers tracking, and FXP data transfer for faster backups.
dotEtiveSocket
A derivate of the original Socket. It compatible with Socks 4, 4A, and 5.
edtFTPnet
A FTP client library written in C# for .NET applications. [Open source, LGPL]
FTP for BizTalk Server
Configure a BizTalk Server Message Port to use the FTP Application Integration Component (AIC) and upload BizTalk Server messages to an FTP server. By ComponentSpace.
Genuine Channels
Use bidirectional non-blocking GTCP, GHTTP, Shared Memory and GUDP channels with IP multicasting support.
ICMP .NET
Send ICMP echo messages and receive echo replies. By ComponentSpace.
Indentix Component Suite
Several .NET components and classes covering the most popular Internet protocols. [Shareware]
Indentix FTP Component
Add FTP client functionality to .NET application.
Indentix NTP Component
Enable .NET application to get exact time from public NTP servers.
Intellab-NetComms
Commmunicate with modems and other serial devices that work on the RS232 protocol.
Internet Time .NET
Retrieve the date and time from NTP time servers. By ComponentSpace.
IP*Works! .NET Edition
A collection of more than 30 IP networking components written in C#, including HTTP, SMTP, Whois, SOAP and Telnet. By /n software, Inc.
Mabry Ftp/NET
Adds FTP functionality to a .NET application using either synchronous or asynchronous modes of operation.
PowerTCP .NET
TCP components for .NET, including FTP, mail, SSL and Telnet. By Dart Communications, Inc.
Rebex FTP.NET
Communicate with any FTP server in your .NET programs. Sync, Async and all common proxy servers supported.
Rebex Time.NET
A SNTP/NTP time synchronization library for .NET and .NET Compact Framework. By Rebex.
Sax.net Communications
Serial Communications Library for the Microsoft .NET Framework.
Seekford Solutions
.NET Components, including .NET Encoder Wizard, .NET SNTP Time Wizard, .NET Ping Wizard, .NET DNS MX Wizard, .NET Email Validation Wizard.
Smilla .NET Communication Library
An NNTP protocol library written in C# and distributed under the terms of the GNU Lesser General Public License.
Trace Route .NET
Perform Internet route tracing to determine network delays and topology. By ComponentSpace.
UploadPro.NET
File upload component written for .NET applications. By Realist Internet Consultants Ltd.
Who Is .NET
Lookup domain name registration and other information. By ComponentSpace.
wodSFTP.NET
Transfer data securely over SSH layer using AES, DES, and BLOWFISH encryption. By WeOnlyDo! Software. [Commercial]
wodSSH.NET
Client side .NET component for Telnet and SSH protocol. By WeOnlyDo! Software. [Commercial, open source]