netcat
Netcat is a featured networking utility which reads and writes data across network connections...
Some of the top features or benefits of netcat are: Versatility, Simplicity, Speed, Scriptability, and Cross-Platform. You can visit the info page to learn more.
Best netcat Alternatives & Competitors in 2025
The best netcat alternatives based on verified products, community votes, reviews and other factors.
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12
Open-Source Alternatives.
Latest update:
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Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
Key Wireshark features:
Comprehensive Protocol Support Free and Open-Source Cross-Platform Compatibility Rich Feature Set
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tcpdump is a common packet analyzer that runs under the command line.
Key tcpdump features:
Powerful packet capturing Wide compatibility Filter flexibility Command-line interface
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The #1 monitoring employee software for clear insights into how your team works. Get real-time and historical data. Understand productivity at every level.
Key Insightful.io features:
Productivity Time Tracking Time & Attendance Tracking Monitoring
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Ettercap is a suite for man in the middle attacks on LAN.
Key Ettercap features:
Comprehensive Network Sniffing Wide Platform Support Rich Feature Set Open Source
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SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers.
Key SmartSniff features:
Freeware User-Friendly Interface Passive Mode Operation Supports Multiple Protocols
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socat is a relay for bidirectional data transfer between two independent data channels.
Key socat features:
Versatility Portability Wide Protocol Support Advanced Features
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Packet Sender can send and receive UDP, TCP, and SSL on the ports of your choosing.
Key Packet Sender features:
Open Source Cross-Platform Compatibility User-Friendly Interface Versatile Functionality
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NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.
Key NetworkMiner features:
User-Friendly Interface Passive Network Sniffing Detailed Forensic Analysis Cross-Platform Compatibility
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Do you need to map a specific TCP or UDP port on your machine to another port on another machine?
Key PortMapper features:
Freeware User-Friendly Interface Lightweight Simple Configuration
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Portfwd, Port Forwarding Daemon, stands for port forwarding daemon.
Key Portfwd features:
Open Source Port Forwarding Versatility Lightweight
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Free open source tool to perform TCP based session relay.
Key Komodia Relay features:
Easy Integration Efficient Data Handling Comprehensive Control Enhanced Security Features
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TheCodingMonkeys, authors of software like SubEthaEdit.
Key Port Map features:
User-Friendly Interface macOS Compatibility Automatic UPnP/NAT-PMP Support
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pwncat - netcat on steroids with Firewall, IDS/IPS evasion, bind and reverse shell, self-injecting shell and port forwarding magic - and its fully scriptable with Python (PSE).
Key pwncat features:
Versatile Automation Compatibility Open Source
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Debookee is the simplest & most powerful network traffic analyzer for macOS.
Key Debookee features:
User-Friendly Interface Comprehensive Network Analysis Multi-Protocol Support Real-time Monitoring
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