Top picks: Pig, tcpkill, Raccoon — plus 45 more compared.
Security OperationsGNU Netcat is a free tool. Security professionals most commonly compare it with . All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to GNU Netcat, including their key features and shared capabilities.
Linux packet crafting tool for testing IDS/IPS and creating attack signatures.
A Linux command-line tool that allows you to kill in-progress TCP connections based on a filter expression, useful for libnids-based applications that require a full TCP 3-way handshake for TCB creation.
Offensive security tool for reconnaissance and information gathering with a wide range of features and future roadmap.
High-performant, coroutines-driven, and fully customisable Low & Slow load generator for real-world pentesting with undetectability through Tor.
Threat emulation tool for adversary simulations and red team operations
Private training course for IoT device pentesting and exploitation
DNS reconnaissance tool checking DNS records, subdomains, and third-party svcs
Whole-system emulation environment for software dev, debugging, testing & security
Linux packet crafting tool for testing IDS/IPS and creating attack signatures.
A Linux command-line tool that allows you to kill in-progress TCP connections based on a filter expression, useful for libnids-based applications that require a full TCP 3-way handshake for TCB creation.
Offensive security tool for reconnaissance and information gathering with a wide range of features and future roadmap.
High-performant, coroutines-driven, and fully customisable Low & Slow load generator for real-world pentesting with undetectability through Tor.
Threat emulation tool for adversary simulations and red team operations
Private training course for IoT device pentesting and exploitation
DNS reconnaissance tool checking DNS records, subdomains, and third-party svcs
Whole-system emulation environment for software dev, debugging, testing & security
Automated hardware reversing platform using robotics for embedded device analysis
FourCore ATTACK is an adversary emulation platform to manage cyber risk with evidence
Post-exploitation threat emulation platform for red team operations.
Red team toolkit for EDR evasion, initial access, and post-exploitation.
Bundled offensive security suites combining pen testing, red teaming, and VM.
AI agent platform for automating offensive security operations and evals.
AI-assisted vulnerability research and advanced offensive cyber tooling firm.
Offensive security firm offering AI pentesting, credential monitoring & compliance.
R&D firm providing cyber defense & operational tech for DoD and DHS.
AI agent for in-depth binary analysis and reverse engineering assistance.
Boutique security firm offering red team, OSINT, and adversary simulation services.
CLI cheatsheet for Red Specter's 30-tool offensive security platform.
MCP server enabling AI agents to autonomously run 150+ security tools
A specification/framework for extending default C2 communication channels in Cobalt Strike
An open-source framework that enables building and deploying AI security tools
GraphSpy is a browser-based post-exploitation tool for Azure Active Directory and Office 365 environments that enables token management, reconnaissance, and interaction with Microsoft 365 services.
Open-source C2 framework for red team ops and adversary simulation.
An open source machine code decompiler that converts binary executables into readable C source code across multiple architectures and file formats.
An Android port of the Radamsa fuzzing tool compiled with Android NDK to support Android ABIs for security testing on mobile platforms.
A covert channel technique that uses WebDAV protocol features to deliver malicious payloads and establish C2 communication while bypassing security controls.
LinksDumper extracts links and endpoints from HTTP responses to support web application security testing and reconnaissance activities.
A Python script that converts shellcode into a PE32 or PE32+ file.
Semi-tethered jailbreak for iPhone 5s to iPhone X, running iOS 12.0 and up, using the 'checkm8' bootrom exploit.
Tcpreplay is a suite of Open Source utilities for editing and replaying captured network traffic.
LeakIX is a red-team search engine that indexes mis-configurations and vulnerabilities online.
PyBOF is a Python library that enables in-memory loading and execution of Beacon Object Files (BOFs) with support for argument passing and function targeting.
Parrot Security OS is a comprehensive, secure, and customizable operating system for cybersecurity professionals, offering over 600+ tools and utilities for red and blue team operations.
A collection of Python scripts for password spraying attacks against Lync/S4B & OWA, featuring Atomizer, Vaporizer, Aerosol, and Spindrift tools.
A command that builds and executes command lines from standard input, allowing for the execution of commands with multiple arguments.
Tool for enumerating proxy configurations and generating CobaltStrike-compatible shellcode.
SharpAppLocker is a C# tool that retrieves AppLocker application control policies from Windows systems, replicating the Get-AppLockerPolicy PowerShell cmdlet functionality.
SharpEDRChecker scans system components to detect security products and tools.
SharpShares efficiently enumerates and maps network shares and resolves names within a domain.
Kali Linux is a specialized Linux distribution for cybersecurity professionals, focusing on penetration testing and security auditing.
RedELK is a SIEM tool designed for red teams to monitor and receive alerts about blue team detection activities during penetration testing engagements.
An Azure Function that validates and relays Cobalt Strike beacon traffic based on Malleable C2 profile authentication.
Common questions security professionals ask when evaluating alternatives and competitors to GNU Netcat.
The most popular alternatives to GNU Netcat include Pig, tcpkill, Raccoon, Finshir, and Fortra Cobalt Strike. These Offensive Security tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
There are 48 alternatives to GNU Netcat listed on CybersecTools, all within the Offensive Security category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.
GNU Netcat is a free Offensive Security tool. You can use it at no cost. Both free and commercial alternatives are available for comparison.
GNU Netcat is a Offensive Security tool within the broader Security Operations category. It is used by security professionals for offensive security capabilities and can be compared against 48 similar tools.
