MMCompView   
http://www.nirsoft.net

The MMCompView utility displays the details of all installed multimedia components (Codec and ActiveX filters) and allows you to disable and enable specific components.

ActiveEmail SMTP E-mail Development Kit   
http://www.activexperts.com

With the ActiveEmail OLE/COM component, you can add and control e-mail functionality within your project in short time. The component does not need MAPI. Sending messages features: custom header fields for messages. create message body (plain or HTML). Create message body using character sets like US-ASCII, ISO-8859-2. Add attachments using Base64 or Quoted-printable. Attachments can be embedded in message body. Add MIME entities. You can set the message sender, add multiple message authors, add multiple Reply-To (singles and groups), add multiple primary, CC, and BCC recipients singles and groups. Authentication using the AUTH LOGIN mechanism. To improve performance, outgoing mails can be queued instead of send them directly, and processed in the background the ActiveEmail Queue service (with no extra costs). The product also features NNTP news postings to news servers. Product can be used with ASP, VBScript, JavaScript, Access, Visual Basic, Visual C++, C#, VB.Net, ASP.Net on various operting systems, including Windows 98, Windows ME, Windows NT 4, Windows 2000, Windows XP and Windows 2003. Check out http://www.activexperts.com/activemail to view online samples. Received 'Toolkit of the Year' award by <a href="http://www.itilfoundations.com">www.itilfoundations.com</a>

Add Email ActiveX   
http://www.traysoft.com

Easily create and send text or HTML emails with attachments and embedded images from your application. AddEmail works with all development environments that support COM objects, ActiveX or OCX controls, such as Visual Basic (VB 5 and VB 6), Visual C++, VB.NET, C#, ASP, ASP.NET, Access, Delphi, PowerBuilder, FoxPro etc. AddEmail supports SMTP and ESMTP protocols with authentication, unlimited number of attachments, embedded images, non-blocking calls, progress indication events, To, Cc, Bcc and ReplyTo fields, international characters, in-memory attachments and much more. Built-in multithreaded SMTP engine can queue and send emails directly to recipient mail servers. Fast and reliable component with excellent support service.

SocketTools Visual Edition   
http://www.catalyst.com

The SocketTools Visual Edition consists of ActiveX components for use with visual development environments such as Visual Basic, Visual C++ and Delphi. A total of eighteen controls provide client interfaces for the major application protocols such as the File Transfer Protocol, Hypertext Transfer Protocol, Simple Mail Transfer Protocol, Domain Name Service and Telnet. All versions of Visual Basic from 5.0 and later are supported, and the components can be used with any 32-bit development tool that supports COM and the ActiveX control specification. All of the controls share many common attributes. The network controls support both synchronous (blocking) and asynchronous modes of operation, and also include the ability to log the Windows Sockets function calls for debugging purposes. All of the controls are thread-safe and can be used in multithreaded containers, such as Internet Explorer. With the exception of the visually oriented controls (the browser, image viewer and terminal emulation controls), they can also be used as simple Automation objects, without requiring that they be placed on a form or inside another container. With full support for 32-bit Windows platforms, illustrative samples, comprehensive online help, a tutorial to help developers get started, a complete User’s Guide and Technical Reference in PDF format for easy printing, the SocketTools Visual Edition provides the greatest functionality and broadest range of features available for building Internet and intranet applications. The controls are completely royalty free and include a 30-day money-back guarantee.

SocketTools Secure Scripting Edition   
http://www.catalyst.com

SocketTools Secure Scripting Edition consists of Component Object Model (COM) libraries designed for use in scripting languages such as VBScript and JavaScript. The components do not have the inherent overhead of ActiveX controls and implement a threading model for more efficient use with Active Server Pages (ASP) and similar environments. This edition includes support for the industry standard Secure Sockets Layer (SSL) and Transport Security Layer (TLS) protocols which are used to ensure that data exchanged between the local system and a remote host is secure and encrypted. The Secure Editions implement the major secure protocols such as HTTP, FTPS, SMTPS, POP3S, IMAPS and more. Your data is protected by industrial strength 128-bit encryption, with full support for client certificates. Using the popular SocketWrench component that is part of SocketTools, you can also write your own, custom secure server applications. And there's no need for you to understand the details of certificate management, data encryption or how the security protocols work. All it takes is a few lines of code to enable the security features, and SocketTools handles the rest!