The GNU Netcat is a featured networking utility that reads and writes data across network connections using the TCP/IP protocol. It is designed to be a reliable 'back-end' tool that can be used directly or easily driven by other programs and scripts. It provides outbound and inbound connections, TCP or UDP, to or from any ports, tunneling modes, port-scanning capabilities, advanced usage options, and optional RFC854 telnet codes parser and responder. Distributed freely under the GNU General Public License (GPL), it aims for full compatibility with the original nc 1.10 and portability.
FEATURES
ALTERNATIVES
WiGLE.net is a platform that collects and provides data on WiFi networks and cell towers, with over 1.3 billion networks collected.
Suricata offers real-time intrusion detection, intrusion prevention, and network monitoring.
Load-balancing solution by Microsoft Azure with global infrastructure and financial guidance.
A multi-threading tool for sniffing HTTP header records with support for offline and live sniffing, TCP flow statistics, and JSON output.
PFQ v6.2 is a functional framework for Linux optimized for efficient packet capture/transmission and in-kernel processing.
pfSense is a leading open source firewall and network security solution, providing advanced protection and connectivity options.
netsniff-ng is a free Linux networking toolkit with zero-copy mechanisms for network development, analysis, and auditing.
PINNED

InfoSecHired
An AI-powered career platform that automates the creation of cybersecurity job application materials and provides company-specific insights for job seekers.

Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.

Checkmarx SCA
A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.

Check Point CloudGuard WAF
A cloud-native web application and API security solution that uses contextual AI to protect against known and zero-day threats without signature-based detection.

Orca Security
A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.

DryRun
A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.

Wiz
Wiz Cloud Security Platform is a cloud-native security platform that enables security, dev, and devops to work together in a self-service model, detecting and preventing cloud security threats in real-time.