Passively

Aimwatch is a packet sniffer designed to reconstruct AOL Instant Messenger and ICQ information by passively collecting packets from the network.. Platforms: *nix

Deep Network Analyzer is an flexible, open and extensible deep network analyzer (software server) and architecture for gathering and analyzing network packets, network sessions and applications protocols, passively off enterprise class networks. DNA is designed to be used for Internet Security,... Platforms: *nix

DNA (Deep Network Analyser) is an open, flexible, and extensible deep network analyzer server and software architecture for passively gathering and analyzing network packets, network sessions, and applications protocols. Deep Network Analyser project is designed to be used for Internet... Platforms: *nix

Pads (Passive Asset Detection System) is a signature-based detection engine used to passively detect network assets. Asset management is an important factor in information security. A good security administrator should keep track of all devices attached to the network. Even though active... Platforms: *nix

DNA is an open, flexible and extensible deep network analyzer software server and software architecture for gathering and analyzing network packets, network sessions and applications protocols, passively off enterprise class networks. Platforms: Windows, Mac, Linux

Sometimes it feels like the App Store is moving so fast, that you might as well put on a suit and move your office to Wall Street. With the constantly changing environment, it can become easy to lose track of exactly where your app is on the charts. Candyticker is a tool we developed to help us... Platforms: Mac

Open Unified Recording (OUR) is a full featured Linux based Open Source VoIP/SIP Call Recording engine, indexing and retrieval system. The system resides on the network and passively captures SIP sessions. Project is sponsored by UnifiedRecording.com Features - Web Front End - C++ SIP Call... Platforms: *nix

nwpedit is a small tool to cache, edit and send back files from remote shell accounts on the local system. This is useful to get work done on systems which have a slow connection or lack your favorite editor. Server can be run passively or actively. Platforms: *nix

AirSnort is a wireless LAN (WLAN) tool which cracks encryption keys on 802.11b WEP networks. AirSnort operates by passively monitoring transmissions, computing the encryption key when enough packets have been gathered. Platforms: *nix

Screen savers have been shown to be 4-5 times as effective at ensuring that people retain information than any other methods of learning. They repeatedly, passively, feed the user with information in a way that is pleasant and conducive to remembering. Training takes place as each person goes... Platforms: Windows

Since Apex SQL Log reads the Transaction Log, no database overhead is required and audits can be done on changes made even before the SQL log tool was installed. Features - live log support - XML export tool - Passively audit using transaction log backups or live log files what has been... Platforms: Windows

PromiScan is a de facto standard sniffing node detection tool which is recommended by SANS and has been used worldwide ever since its release. PromiScan 3.0 has improved its monitoring capabilities by providing continuous monitoring to detect promiscuous applications starting and ending... Platforms: Windows

TimeGuard is smart and friendly time tracking software. Unlike other solutions, TimeGuard is active and will not wait passively for your input. It will help you to manage your time tracking, taking much of the burden off your shoulders. TimeGuard gives you an accurate view of how you spend your... Platforms: Windows

MailRecon is email content control tool which helps to fight with leaking of confidential information in email messages. It passively listens to network, captures email traffic, checks each message against set of rules, and saves suspicious messages. Compatible with all SMTP/POP3 software for any... Platforms: *nix

Have you ever wondered why your machine runs so much faster right after you reboot? Most of the time it's due to resources not being properly freed, and which couldn't be easily reclaimed without rebooting. MaxMem passively monitors your systems memory and allows you to customize it for maximum... Platforms: Windows

ArpSpyX is an ARP packet sniffer that displays a list of IP and MAC addresses found by analyzing ARP traffic on your network. Arp packets are an indicator of what machines are active on your network. ArpSpyX will passively sniff your network for ARP packets and display the IP and MAC address of... Platforms: *nix

RogueScanner project is an open-source vulnerability management tool that is used to gain greater network visibility to enable you to quickly identify and remove rogue wireless devices that may provide a back door to access your critical data and infrastructure. Considering that rogue access... Platforms: *nix

DSniff project is a collection of tools for network auditing and penetration testing. dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf, and webspy passively monitor a network for interesting data (passwords, e-mail, files, etc.). arpspoof, dnsspoof, and macof facilitate the interception of... Platforms: *nix

fwknop stands for the "FireWall KNock OPerator", and implements an authorization scheme based around Netfilter and libpcap that requires only a single encrypted packet in order to communicate various pieces of information including desired access through a Netfilter policy and/or complete... Platforms: *nix

psad is a collection of three lightweight system daemons (two main daemons and one helper daemon) that run on Linux machines and analyze Netfilter log messages to detect port scans and other suspicious traffic. psad incorporates many signatures from the Snort intrusion detection system to... Platforms: *nix