MaaTec Network Analyzer   
http://www.MaaTec.com

Network Analyzer / Packet Sniffer with easy to use filtering and intuitive GUI. Online view of incoming packets. Real-time network statistics that are displayed in a table. You can select a column that will be sorted in real-time, too. Numerical values can be displayed as text or bar graph. Boot-free installation possible (see website for details). Different options to color displayed packet data. Multiple views with different packet filters and statistics possible. Huge number of presentable network statistics values. All settings can be saved to disk or into the convenient 'Quick Load' list for fast access. Award-winning online help. Supports multiple network cards in one or multiple windows. Tested on multi-processor machines. Dump packet information with different detail levels. Unique new packet information display in vertically splitted window. High performance due to assembler optimization and genuine new packet filter design. Decodes currently following protocols: IPv4, IPv6, TCP, UDP, IPX, PPP, PPPoE, ICMP, ICMPv6, IGMP, LCP, CHAP, CCP, ARP, RIP, IPX-RIP, DNS, DHCP, bootpc, bootps, NetBIOS, NetBIOS-NS, SMB/CIFS, Microsoft-DS, NMPI, LLC, ITU-T X.233 CLNP, X.224 TP, ISO 9542 ES-IS, ISO 10589 IS-IS, Telnet, TFTP. And as text-decode: HTTP, FTP, POP2, POP3, IMAP, IMAP3, MSNP, NNTP, SMTP, SSDP. Statistics can display all common network protocols.

MaaTec Network Analyzer Pro   
http://www.MaaTec.com

Network Analyzer / Packet Sniffer with easy to use filtering and intuitive GUI. Online view of incoming packets. Real-time network statistics and scheduled traffic reports. Reports in text or HTML/XHTML format with optional charts. Generation of reports can be started via command-line options, thus the Windows Task Scheduler can be used to create reports in the background. Network load over time statistics (time and number of entries are configurable), stats per system, protocol, NIC, connection, or an combination of these. Stats can be displayed with different chart types (lines, stacked bars, etc.); charts can be saved as PNG, BMP, or EMF files with customizable bitmap size and resolution. Boot-free installation possible (see website for details). Different options to color displayed packet data. Multiple views with different packet filters and statistics possible. Huge number of presentable network statistics values. All settings can be saved to disk or into the convenient 'Quick Load' list for fast access. Award-winning online help. Supports multiple network cards in one or multiple windows. Tested on multi-processor machines. Dump packet information with different detail levels. Unique new packet information display in vertically splitted window. High performance due to assembler optimization and genuine new packet filter design. Detects all common network protocols, from which the following protocols are also decoded in the dump view: IPv4, IPv6, TCP, UDP, IPX, PPP, PPPoE, ICMP, ICMPv6, IGMP, LCP, CHAP, CCP, ARP, RIP, IPX-RIP, DNS, DHCP, bootpc, bootps, NetBIOS, NetBIOS-NS, SMB/CIFS, Microsoft-DS, NMPI, LLC, ITU-T X.233 CLNP, X.224 TP, ISO 9542 ES-IS, ISO 10589 IS-IS, Telnet, TFTP. And as text-decode: HTTP, FTP, POP2, POP3, IMAP, IMAP3, MSNP, NNTP, SMTP, SSDP.

MailMonitor   
http://www.digiarch.org

MailMonitor is a program enabling you to monitor incoming and outgoing mail traffic to and from you mail server and clients. It tracks, displays and logs incoming and outgoing SMTP sessions, POP sessions and sent and received e-mails. It can store incoming and outgoing e-mail in a separate directory independent of mail clients. Finally, it keeps a trace of all e-mail related session traffic (at packet level). This enables you to explore in depth what is going on in your e-mail environment. These features make MailMonitor a valuable tool for tracking your e-mail flow in your e-mail environment in case of problems with sending or receiving e-mail. Watch for unsolicited mail forwarding, SMTP hacking (spammers that use your server to send their messages) and a host of other e-mail server related problems. Features: View SMTP and POP3 sessions with complete session trace. Track all e-mails passing your server. Monitor SMTP authentication with IP, username and password. Monitor POP authentication. Scan for mail errors and abnormalities. Store every e-mail passing your server. See a complete packet level trace of e-mail traffic only. Supports VPN tunnels. Bottom line: If you have mail server problems, MailMonitor shows you what's going on at port and packet level.

Ace Password Sniffer   
http://www.effetech.com

The most powerful and effetive password sniffer. Ace Password Sniffer can listen on your LAN and enable network administrators or parents to capture passwords of any network user. Currently Ace Password Sniffer can monitor and capture passwords through FTP, POP3, HTTP, SMTP, Telnet, and etc. Ace Password Sniffer works passively and don't generate any network traffic, therefore, it is very hard to be detected by others. And you needn't install any additional software on other PCs or workstations. If your network is connected through switch, you can run the sniffer on the gateway or proxy server, which can get all network traffic. This stealth-monitoring utility is useful to recover your network passwords, to receive network passwords of children for parents, and to monitor passwords abuse for server administrators. Features: * Efficient You can see the passwords as soon as it appeared on LAN. * Support Various Protocols Fully support application protocols of FTP, SMTP, POP3, TELNET, etc. That means user names and passwords used to send and receive emails, to log on a web site, or to log on a server, can all be captured and saved. * Support HTTP Protocol Support HTTP protocol, including proxy password, basic http authenticate authoriation and most passwords submitted through HTML, no matter they are encoded by MIME or base64. * Verify whether the captured passwords are valid It can tell whether the passwords are right. You can even get the replies from the server for the login. And it always keeps trying to get valid user name and password pairs.

EtherDetect Packet Sniffer   
http://www.etherdetect.com

EtherDetect Packet Sniffer is an easy for use and award-winning packet sniffer and network protocol analyzer, which provides a connection-oriented view for analyzing packets more effectively. With the handy tool, all you need to do is to set up the filter, start capturing, and view connections, packets as well as data on the fly. Key Features: Organize captured packets in a connection-oriented view Capture IP packets on your LAN with nearly no packets losing. Smart real-time analyzer enables on-the-fly content viewing while capturing and analyzing. Parse and decode an variety of network protocol. Support saving captured packets for reopening afterward. Powerful filter provides a flexible mechanism to capture specific packets. Syntax highlighting for application data in the format of HTML, HTTP and XML. EtherDetect Packet Sniffer is a helpful tool for company manager, web page designers, concerned parents, LAN administrators, security professionals, C++/Java/ASP/JSP/PHP/SOAP programmers, or anyone who are interested in network traffic going through his PC or the whole LAN. Reasons to use EtherDetect are numerous.