nirsoft.net - freeware

Excellent Freeware Utilities (Recovery, Passwords, Unattended Installs etc)
http://nirsoft.net/

NirSoft Installer 1.17
http://smithii.com/nirsoft_installer

Ones I use or I'd love to try:

CurrPorts 1.32 - View Opened TCP/IP ports / connections
http://nirsoft.net/utils/cports.html

WinUpdatesList 1.21 - Displays the list of all Windows updates (SPs and Hotfixes) installed on your local computer.
http://nirsoft.net/utils/wul.html

NirCmd 2.05 - Freeware command-line utility.
http://nirsoft.net/utils/nircmd.html

Allows you to do some useful tasks without displaying any user interface. By running NirCmd with simple command-line option, you can write and delete values and keys in the Registry, write values into INI file, dial to your internet account or connect to a VPN network, restart windows or shut down the computer, create shortcut to a file, change the created/modified date of a file, change your display settings, turn off your monitor, open the door of your CD-ROM drive, and more...

IPNetInfo v1.10 - Retrieves IP Address Information
http://nirsoft.net/utils/ipnetinfo.html

IPNetInfo is a small utility that allows you to easily find all available information about an IP address: The owner of the IP address, the country/state name, IP addresses range, contact information (address, phone, fax, and email), and more. This utility can be very useful for finding the origin of unsolicited mail. You can simply copy the message headers from your email software and paste them into IPNetInfo utility. IPNetInfo automatically extracts all IP addresses from the message headers, and displays the information about these IP addresses.

IECookiesView 1.71 - displays cookies details stored in Internet Explorer.
http://nirsoft.net/utils/iecookies.html

In addition, It allows you to do the following actions:
Sort the cookies list by any column you want, by clicking the column header. A second click sorts the column in descending order.
Find a cookie in the list by specifying the name of the Web site.
Select and delete the unwanted cookies.
Save the cookies to a readable text file.
Copy cookie information into the clipboard.
Automatically refresh the cookies list when a Web site sends you a cookie.
Display the cookies of other users and from other computers.
Open the IECookiesView utility directly from Internet Explorer toolbar.
Change the content of a cookie !
Export your cookies to Netscape/Mozilla cookies file.
Block specific Web sites from using cookies through the cookies blocking mechanism of Internet Explorer 6.0.

AdapterWatch 1.02 - Display information about your network adapters
http://nirsoft.net/utils/awatch.html

AdapterWatch displays useful information about your network adapters: IP addresses, Hardware address, WINS servers, DNS servers, MTU value, Number of bytes received or sent, The current transfer speed, and more. In addition, it displays general TCP/IP/UDP/ICMP statistics for your local computer.

Asterisk Logger 1.03 - Reveal/Recover lost password behind asterisks ***
http://nirsoft.net/utils/astlog.html

To be used mainly on Outlook/Outlook Express clients, to reveal forgotten email account passwords in order to migrate/transfer account data and settings.

Another way to do it is to use the following application, and wait for client machine to transfer username and password information over the network:

SniffPass 1.03 - Network Passwords Capturing
http://nirsoft.net/utils/password_sniffer.html

Freeware utility that listens to your network, capture the passwords that pass through your network adapter, and display them on the screen instantly. SniffPass can capture the passwords of the following Protocols: POP3, IMAP4, SMTP, FTP, and HTTP (basic authentication passwords). Used to recover lost Web/FTP/Email passwords.