Open-source alternatives to Nmap

Ethical-Hacking-Labs is a comprehensive cybersecurity training curriculum and lab suite designed for learning penetration testing, network analysis, and offensive security techniques. It provides a structured environment for practicing the full attack lifecycle, from initial reconnaissance and scanning to exploitation and post-compromise analysis. The project provides instructional materials and guided exercises that cover specific technical domains, including open source intelligence research and network security courseware. It includes a practical workbook for identifying system vulnerabili

Subfinder is a security reconnaissance framework designed for subdomain enumeration and attack surface management. It functions as a discovery engine that identifies and maps internet-exposed infrastructure, cloud-hosted assets, and network ranges to maintain a comprehensive inventory of an organization's digital footprint. The project distinguishes itself through a modular, template-driven scanning engine that executes security checks against discovered assets. It leverages cloud-native asset discovery to query provider APIs and infrastructure metadata, while supporting distributed agent orc

ipscan is a cross-platform network auditor and Java-based network scanner used for discovering networked devices and exporting scan results. It functions as an IP address range scanner and a TCP/UDP port scanner to identify active hosts and open services on a network. The application features a plugin-based fetcher architecture that allows the integration of custom data collection fetchers to retrieve specific hardware or software information from discovered hosts. Its broader capabilities include local network discovery, network port auditing, and the creation of network asset inventories.

Routersploit is a penetration testing framework designed for the security assessment of embedded network devices and routers. It functions as a comprehensive tool for auditing hardware configurations and testing network protocols to identify and verify security vulnerabilities. The framework utilizes a modular plugin architecture that allows for the dynamic loading of exploit and scanner modules. It provides a centralized command interface that manages target state and executes controlled payloads, enabling the automation of security testing across diverse network hardware. The platform cove

Nuclei is a modular security scanning framework designed for automated vulnerability detection and infrastructure reconnaissance. It functions as a template-driven engine that executes security checks across diverse network protocols, allowing users to define custom detection logic to identify vulnerabilities, misconfigurations, and exposed assets. The platform distinguishes itself through its highly extensible architecture, which supports distributed scanning, headless browser automation for dynamic web content, and out-of-band interaction monitoring to detect blind vulnerabilities. It integ

NETworkManager is a comprehensive suite of network administration tools designed for the deployment, monitoring, and diagnostic management of enterprise networks. It provides a centralized interface for subnet management, IP address configuration, and wireless network analysis. The project distinguishes itself by integrating a multi-protocol remote administration client that supports SSH, RDP, VNC, Telnet, and PowerShell sessions within a unified tabbed interface. It further differentiates its capabilities through hardware-level discovery using LLDP and CDP frames, alongside the ability to en

kscan is a network security scanner and service fingerprinter used to discover active hosts and open ports. It functions as a network protocol analyzer and internal network mapper to identify reachable gateways and analyze the network surface area of target environments. The tool integrates external asset discovery by retrieving target hosts through external intelligence services and verifying their availability. It also operates as a credential brute force tool, testing authentication strength across multiple protocols using automated username and password dictionaries. The project covers n

Katana is a web crawler and spider designed for security reconnaissance and web application mapping. It functions as a utility for identifying endpoints, forms, and API structures across web targets by combining standard HTTP request traversal with headless browser automation to render dynamic, JavaScript-heavy content. The tool distinguishes itself through its ability to maintain authenticated sessions and handle complex web interactions, such as automated form submission and captcha resolution. It provides granular control over the discovery process, allowing users to define specific crawl

PhoneSploit-Pro is an Android exploitation and remote administration toolkit. It provides a system for remotely controlling Android devices and extracting data using the Android Debug Bridge protocol. The project integrates with Metasploit to automate the creation and installation of payloads, establishing persistent command-and-control sessions. It also includes a network device scanner to identify active Android hosts on local networks by probing TCP ports. The toolkit covers a broad range of administrative and forensic capabilities, including remote shell execution, application management

This project is a comprehensive, community-curated directory of cybersecurity resources, tools, and educational materials. It functions as a centralized index for researchers and students to discover frameworks and utilities across the entire security lifecycle, ranging from initial vulnerability assessment to post-exploitation analysis. The repository distinguishes itself through a hierarchical taxonomy that organizes diverse security disciplines into a searchable, version-controlled knowledge base. Rather than hosting software directly, it utilizes a decentralized aggregation model that lin

This project provides a comprehensive, modular framework for auditing and hardening personal digital and physical security. It functions as a structured, platform-agnostic knowledge base that breaks down complex security standards into granular, actionable tasks. By utilizing a static documentation architecture, the project ensures that its guidance remains accessible and transparent, allowing users to track their security posture incrementally through a persistent, manual progress-tracking system. The project distinguishes itself by bridging the gap between digital cybersecurity and physical

Exphub is a CVE exploit script library and enterprise software vulnerability suite designed to verify and exploit known security flaws in server environments such as WebLogic, Struts2, Tomcat, and JBoss. It functions as a remote code execution toolkit and a web shell deployment framework for triggering unauthorized command execution and establishing persistent access on remote systems. The project includes specialized utilities for internal network reconnaissance, specifically using server-side request forgery to scan for open ports and services. It further provides mechanisms for bypassing a

Naabu is a port scanner library and tool that probes hosts for open ports using SYN, CONNECT, and UDP methods to identify active services. It functions as a Go library for embedding port scanning into programs, and as a standalone tool that accepts targets as hostnames, IP addresses, CIDR ranges, or ASN numbers. The tool discovers live hosts before scanning, filters ports by range or top lists, and can integrate with Nmap for service version detection. The project distinguishes itself through its SYN-based port probing approach that sends TCP SYN packets and analyzes responses without complet

Wifiphisher is a modular security framework designed for wireless penetration testing and social engineering auditing. It functions as a platform for security professionals to assess the resilience of Wi-Fi networks by simulating unauthorized access, performing man-in-the-middle interceptions, and executing credential-harvesting scenarios. The tool distinguishes itself through its ability to combine rogue access point deployment with dynamic phishing interfaces. By forcing wireless clients to associate with deceptive infrastructure, the framework can capture network metadata and inject it int

RustScan is a high-speed network reconnaissance tool designed for automated port discovery and service enumeration. It functions as an automated vulnerability scanner that identifies open ports and active services across network environments, providing a foundation for mapping attack surfaces and gathering intelligence on target systems. The tool distinguishes itself through its ability to dynamically adjust scanning parameters and concurrency in real-time based on system feedback, ensuring efficient performance while preventing network congestion. It features an extensible architecture that

CeWL is a custom wordlist generator and web crawling security tool designed to extract unique words and metadata from websites. It functions as an OSINT metadata extractor and security scanner, identifying potential passwords and usernames by analyzing HTML and JavaScript content. The tool differentiates itself by combining recursive spidering with metadata extraction, allowing it to collect email addresses, author names, and creator metadata from web pages and linked files. It also captures domains, subdomains, and path components to include in generated lists. Broad capabilities include we

w3af is a web penetration testing suite and security audit framework designed to identify and exploit vulnerabilities in web applications. It functions as a vulnerability scanner that crawls targets to find injection points and a fuzzer used to discover hidden endpoints and test input validation. The project distinguishes itself by providing an intercepting HTTP proxy for capturing and modifying traffic, combined with a knowledge-base driven exploitation system. It enables the execution of security exploits to gain remote shell access and supports post-exploitation activities, such as routing

This project is a comprehensive command-line reference and toolkit designed for Linux system administration and network security assessment. It provides a collection of technical snippets and operational guides focused on managing remote environments, orchestrating shell sessions, and executing administrative tasks through native terminal utilities. The repository distinguishes itself by offering specialized techniques for stealthy operations and infrastructure manipulation. It covers methods for establishing encrypted tunnels to bypass firewalls, obfuscating process identities and command hi

Sn1per is a vulnerability management platform and penetration testing orchestrator designed to automate reconnaissance, vulnerability scanning, and exploit verification. It functions as a dockerized security toolkit that coordinates multiple tools into a unified automated pipeline to identify security flaws across network and web assets. The platform features an attack surface manager for discovering internet-facing assets through OSINT, DNS enumeration, and certificate transparency. It distinguishes itself with an AI-powered security analyzer that uses large language models to summarize scan

scan4all is an all-in-one vulnerability scanner that orchestrates parallel network reconnaissance, service cracking, and exploit execution across a wide range of protocols. It combines port discovery, web fingerprinting, password cracking, and a plugin-based database of over 15,000 proof-of-concept exploits into a single automated pipeline, with results streamed to Elasticsearch for structured querying and analysis. The tool distinguishes itself through its multi-engine orchestration, coordinating tools like nmap, naabu, and nuclei under one pipeline to avoid redundant work and share results.

Nikto is an open-source HTTP security auditing tool and web server vulnerability scanner. It functions as a reconnaissance engine designed to identify insecure server options, outdated software, and common vulnerabilities by analyzing HTTP responses. The project differentiates itself through capabilities for intrusion detection evasion and web server fingerprinting. It uses request-level encoding and timing spacers to bypass security filters and employs signature-based identification to determine specific server software versions and misconfigurations. The scanner covers broad capability are

GoodbyeDPI is a censorship circumvention utility designed to bypass deep packet inspection and restrictive network filtering. It functions as a background engine that intercepts and modifies network traffic at the kernel level, allowing users to maintain connectivity in environments where specific protocols or web content are blocked. The tool employs active manipulation techniques to confuse inspection hardware, including TCP stream fragmentation, HTTP header obfuscation, and the injection of out-of-order packets. By altering packet structures and dropping specific redirection patterns, it m

CDK is a specialized toolset for container security auditing, container escape exploitation, and cloud infrastructure pentesting. It provides a collection of scripts and tools designed to identify and exploit vulnerabilities in container runtimes to break out of isolated environments and execute commands on the underlying host operating system. The project features a dedicated Docker runtime exploit suite for abusing the Docker API, procfs, and cgroups to gain unauthorized host-level access. It includes specific techniques for bypassing isolation via LXCFS, user namespace exploitation, and ho

This project is an automated security testing suite designed to detect and exploit database vulnerabilities. It functions as a command-line utility that streamlines the identification, verification, and exploitation of web application flaws by automating the injection of malicious payloads into input parameters. The tool provides a comprehensive framework for database enumeration, allowing users to extract schema information, user data, and system configurations from identified injection points. What distinguishes this tool is its sophisticated engine for dynamic payload adaptation and heuris

Auto Scanning to SSL Vulnerability

This project provides a framework for managing multi-agent systems, designed to automate complex software development, infrastructure, and business workflows. It functions as a multi-agent workflow orchestrator that routes tasks to domain-specific workers while maintaining state persistence and infrastructure automation. By leveraging large language models, the system decomposes high-level objectives into actionable plans, ensuring that complex operations are executed with consistency and reliability. The framework distinguishes itself through its hierarchical agent registry and policy-driven

This project is a comprehensive, curated directory of high-quality libraries, tools, and educational resources for C and C++ development. It serves as an ecosystem discovery index, helping developers navigate the vast landscape of third-party components, frameworks, and technical documentation available for the language. The collection is distinguished by its focus on high-performance systems programming and technical mastery. It provides deep coverage of specialized domains including SIMD-accelerated data processing, compile-time template metaprogramming, and asynchronous event-driven archit