It automatically detects the login packets on network for various protocols and instantly decodes the passwords. Here is the list of supported protocols,
HTTP (BASIC authentication)
FTP
POP3
IMAP
SMTP

In addition to recovering your own lost passwords, you can use this tool in following scenarios,
Run it on Gateway System where all of your network's traffic pass through.
In MITM Attack, run it on middle system to capture the Passwords from target system.
On Multi-user System, run it under Administrator account to silently capture passwords for all the users.

It includes Installer which installs the Winpcap, network capture driver required for sniffing. For Windows 8, first you have to manually install Winpcap driver (in Windows 7 Compatibility mode) and then run our installer to install only Password Sniffer Spy.

It works on both 32-bit & 64-bit platforms starting from Windows XP to Windows 8.

Features
All-in-one Tool to Sniff & Capture Email, Web & FTP Login Passwords.
Recover passwords for protocols such as HTTP, FTP POP3, IMAP, SMTP.
Recover password of any length and complexity.
Backup the captured password list to HTML/XML/Text/CSV file
Easier and faster to use with its enhanced user friendly GUI interface.
Support for local Installation and uninstallation of the software.

Version 3.5 : 15th Jul 2015
New feature added to Installer to dynamically download latest version