Open Source Security Software
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Security Software
Browse free open source Security software and projects for Linux and ChromeOS below. Use the toggles on the left to filter open source Security software by OS, license, language, programming language, and project status.
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Full-stack observability with actually useful AI | Grafana CloudBuilt on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
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MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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PentestGPT
Automated Penetration Testing Agentic Framework Powered by LLMs
PentestGPT is an AI-powered autonomous penetration testing agent designed to perform intelligent, end-to-end security assessments using large language models. Published at USENIX Security 2024, it combines advanced reasoning with an agentic workflow to automate tasks traditionally handled by human pentesters. The platform supports multiple penetration testing categories, including web security, cryptography, reversing, forensics, privilege escalation, and binary exploitation. PentestGPT runs in a Docker-first environment, providing a secure, reproducible setup with built-in tooling and session persistence. It offers real-time feedback and live walkthroughs, allowing users to observe each step of the testing process as it unfolds. Built with a modular and extensible architecture, PentestGPT supports cloud and local LLMs, making it suitable for research, education, and authorized security testing. -
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SeedCrackerX
Minecraft mod designed to reverse-engineer
SeedcrackerX is a Minecraft mod designed to reverse-engineer and determine a world’s seed by analyzing in-game structures and environmental data. It operates by collecting information from structures such as shipwrecks, temples, and monuments, then using that data to progressively narrow down possible seeds until the correct one is identified. The mod automates much of this process, initiating cracking procedures once sufficient data has been gathered, often requiring only exploration of specific structures. It includes a graphical configuration interface that allows users to control which structures are used and how data is collected. The system can also integrate with a shared database to contribute discovered seeds, enabling collaborative data gathering across users. Advanced features include brute-force algorithms that refine seed candidates based on structural patterns and hashed seed calculations. -
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OSINT Framework
OSINT Framework
OSINT-Framework is a web-based intelligence resource map designed to help investigators and researchers quickly locate free open-source intelligence tools and data sources. Rather than functioning as an automated scanner, it organizes hundreds of OSINT resources into a structured, navigable interface grouped by investigation type, such as usernames, email addresses, domains, and social media. The project was originally created from an information security perspective but has since expanded to support journalists, analysts, and digital investigators across many disciplines. Its value lies in curation and discoverability, allowing users to pivot rapidly between relevant intelligence tools during investigations. The framework includes indicators showing whether a resource requires registration, manual editing, or local installation, improving workflow planning. -
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WhatsApp Beacon
OSINT tool for tracking WhatsApp online status via Web automation
WhatsApp Beacon is an open source OSINT tool designed to monitor and analyze the online activity status of WhatsApp users through WhatsApp Web. It uses Selenium automation to interact with the web interface and detect when a target account goes online or offline. By continuously monitoring these changes, WhatsApp Beacon records connectivity patterns and builds a historical dataset of activity sessions. The collected information is stored in logs and a local database, allowing users to review behavioral patterns over time. In addition, the project supports exporting collected data to spreadsheet formats for further analysis or reporting. WhatsApp Beacon is designed to run across multiple operating systems and can operate in the background using headless browser automation. It is intended for educational and research purposes related to open-source intelligence (OSINT) and digital investigation. -
AI-generated apps that pass security reviewRetool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
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fsociety
Modular CLI framework for managing penetration testing tools
fsociety is a modular penetration testing framework designed to provide a unified interface for running and managing a wide range of security tools. It focuses on simplifying penetration testing workflows by integrating multiple external security utilities into a single command line environment. Instead of implementing its own security scanners, the framework acts as a wrapper and orchestrator that helps users discover, install, and execute tools from various GitHub repositories. Its modular architecture organizes tools into categories such as information gathering, networking, web application security, and password testing. This structure allows users to quickly navigate through different security tasks while maintaining a consistent interface. fsociety can automatically clone and manage required tools, reducing the manual effort typically needed to set up a penetration testing toolkit. fsociety is distributed as a Python package. -
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malware-samples
A collection of malware samples and relevant dissection information
This repo is a public collection of malware samples and related dissection/analysis information, maintained by InQuest. It gathers various kinds of malicious artifacts, executables, scripts, macros, obfuscated documents, etc., with metadata (e.g., VirusTotal reports), file carriers, and sample hashes. It’s intended for malware analysts/researchers to help study how malware works, how they are delivered, and how it evolves. -
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Instagram OSINT Tool
Instagram OSINT tool for gathering profile data and public posts
InstagramOSINT is an open source intelligence (OSINT) tool designed to collect publicly accessible information from Instagram profiles. It retrieves details that are not always easily visible when browsing an Instagram account normally, allowing investigators, researchers, and developers to gather structured data about a target profile. It works by scraping publicly available profile information and extracting metadata from Instagram pages using Python. It collects various attributes such as the username, profile name, follower counts, account status indicators, and profile metadata. In addition to profile information, it can also retrieve post-related data and download publicly available images associated with an account. The results are saved locally in structured formats such as JSON-style data inside text files, making them easy to analyze or integrate into other applications. InstagramOSINT also exposes a Python API so developers can import the functionality. -
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Robin
AI-powered tool for dark web OSINT search and investigation
Robin is an AI-powered open source tool designed to assist investigators and researchers in conducting dark web OSINT (Open Source Intelligence) investigations. It combines automated dark web search capabilities with large language models (LLMs) to analyze and summarize information discovered across hidden services and Tor-based search engines. The tool helps refine investigative queries, collect results from multiple dark web sources, and filter relevant intelligence using AI-driven processing. Robin also performs scraping of discovered pages through Tor sessions, allowing users to gather additional context from dark web sites while maintaining the required network routing. By integrating AI models, the platform can interpret results, highlight key information, and produce summaries that help analysts understand findings faster. The project provides a modular architecture separating search, scraping, and AI processing components so it can be extended with new data sources. -
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RedAmon
AI-powered framework for automated penetration testing and red teaming
RedAmon is an AI-powered red team framework designed to automate offensive cybersecurity operations from reconnaissance to exploitation and post-exploitation. It combines artificial intelligence with traditional penetration testing tools to create a fully autonomous pipeline capable of discovering vulnerabilities and executing security assessments without human intervention. It begins with a multi-phase reconnaissance engine that maps the entire attack surface of a target, collecting information such as subdomains, open ports, services, and potential vulnerabilities. RedAmon then uses an AI agent orchestrator to analyze this data, select appropriate tools, and perform exploitation steps such as credential brute forcing or CVE-based attacks. All discovered assets, relationships, and vulnerabilities are stored in a Neo4j knowledge graph, allowing the system to reason about the environment and make informed decisions during the attack process. -
Enterprise-grade ITSM, for every businessFreshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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subfinder
Fast passive subdomain enumeration tool
Subfinder is a high-performance passive subdomain discovery tool built for fast and reliable asset enumeration. It focuses exclusively on collecting valid subdomains from a wide range of passive online sources, prioritizing accuracy and speed over intrusive scanning techniques. The project is widely used in bug bounty hunting, penetration testing, and attack surface mapping because it minimizes noise while producing actionable results. Its modular architecture allows users to enable dozens of data providers through API keys, expanding coverage as needed. Subfinder integrates easily into automation pipelines and CI workflows thanks to its clean command-line design and structured output formats. The tool is intentionally specialized, doing one job extremely well rather than attempting to be an all-in-one scanner. In practice, Subfinder serves as a foundational building block for modern reconnaissance stacks. -
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Instaloader
Download pictures (or videos) along with their captions
Instaloader is a mature open-source utility for downloading and archiving Instagram content along with rich metadata. It enables users to retrieve posts, stories, reels, highlights, profile pictures, and associated information such as captions, comments, timestamps, and geotags. The tool supports both public and permitted private content when proper authentication is provided, making it useful for research, digital archiving, and social media analysis. Instaloader can be run as a simple command-line tool or used programmatically through its Python module, offering flexibility for automation workflows. It includes smart update mechanisms that resume interrupted downloads and fetch only new media to maintain efficient archives. The project is widely adopted by investigators and analysts who need structured Instagram data collection. In essence, Instaloader provides a robust and highly configurable pipeline for Instagram content retrieval. -
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ASN
Command line ASN lookup, network recon, and traceroute tool
asn is a multifunctional network investigation and OSINT command line tool designed for analyzing Autonomous System (ASN) and IP-related data. It provides a comprehensive set of capabilities for inspecting network infrastructure, routing information, and security signals associated with IP addresses, hostnames, prefixes, and organizations. It aggregates data from multiple external services to present detailed information such as BGP statistics, RPKI validation status, IP reputation, geolocation, and prefix ownership. It can also perform AS path tracing, allowing users to observe the network route between systems and identify Internet Exchange Points or anomalies in the path. In addition to its command line usage, asn can run as a web-based traceroute server or as a self-hosted lookup API that returns JSON-formatted data for automated workflows. This flexibility allows the tool to support manual investigations, incident response, and automated network analysis pipelines. -
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User Scanner
Scan usernames and emails across many platforms from the CLI
user-scanner is a command-line OSINT tool designed to analyze the presence and availability of usernames and email addresses across many online platforms. It helps users quickly determine whether a specific username or email is already associated with accounts on social networks, developer platforms, creator communities, gaming services, and other sites. user-scanner is useful for security researchers, investigators, and analysts performing open source intelligence, as well as individuals or businesses looking for a unique username across multiple services. By scanning many platforms in a single command, it simplifies the process of checking account existence and identifying a digital footprint. user-scanner uses a modular architecture where each platform is implemented as a small validator module that determines whether a username exists or is available. -
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email2phonenumber
OSINT tool to discover phone numbers using an email address
email2phonenumber is an open source OSINT (Open Source Intelligence) tool designed to help researchers identify a target’s phone number using only an email address. The project was created as a proof-of-concept during research into new OSINT methodologies for extracting personal information from publicly accessible sources and account recovery mechanisms. The tool works by automating interactions with password reset processes on various online services, which may reveal masked phone number digits associated with an account. By combining these partial digits with other publicly available information, the tool attempts to reconstruct or identify the full phone number. The application includes several functions that support different phases of this process, such as scraping phone number fragments, generating possible numbers based on national numbering plans, and testing potential numbers against service recovery mechanisms. -
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CamDesk
The Desktop Webcam Widget
CamDesk is a free, open source, desktop webcam widget, that was created as home surveillance application. Although others have used it for demonstrations even with CamStudio, and QuickTime Player for screen casting. -
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Argus
Python toolkit for OSINT and reconnaissance with 135+ modules
Argus is a Python-based open source toolkit designed to simplify information gathering and reconnaissance tasks in cybersecurity. It provides an integrated command-line environment that consolidates numerous reconnaissance utilities into a single framework. The tool enables users to collect data about networks, domains, web applications, and infrastructure in an organized and efficient manner. Argus includes a modular architecture with more than 130 modules that support activities such as DNS analysis, port scanning, web application inspection, and threat intelligence lookups. Its interactive CLI allows users to browse available modules, configure targets, run scans, and review results from within a unified interface. The project aims to reduce the complexity of using multiple separate reconnaissance tools by bringing them together in one streamlined platform. Argus also supports integrations with external intelligence services. -
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NExfil
Fast OSINT tool for discovering web profiles by username
NExfil is an open source OSINT (Open Source Intelligence) tool designed to locate user profiles across the web based on a given username. Developed in Python, the tool automates the process of checking hundreds of websites to determine whether a specific username exists on those platforms. By performing automated queries across numerous services, NExfil helps investigators, researchers, and security professionals quickly identify potential accounts associated with a particular username. The tool focuses on delivering results rapidly while minimizing false positives during the search process. Users can supply a single username, multiple usernames, or a file containing a list of usernames for bulk scanning. NExfil processes these inputs and attempts to detect matching profiles across more than 350 websites within seconds. Because it is command-line based and open source, it can be easily integrated into OSINT workflows and cybersecurity research environments. -
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Global Threat & Event Intelligence Map
Interactive map for exploring global conflicts & geopolitical threats
GlobalThreatMap is an open source web application designed to visualize geopolitical events, conflicts, and military activity around the world on an interactive map. It helps users explore ongoing wars, international tensions, military base locations, and historical conflict data across different countries. It aggregates and processes global event information and presents it geographically so users can quickly understand where significant geopolitical developments are occurring. GlobalThreatMap is built to assist researchers, analysts, and curious users who want a clearer view of global security dynamics. Users can browse event feeds, investigate country-level conflicts, and explore geopolitical entities directly from the interface. It also supports both self-hosted deployments and an authenticated mode using the Valyu platform for accessing additional data features. -
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OpenCTI
Open Cyber Threat Intelligence Platform
OpenCTI is a comprehensive open-source cyber threat intelligence platform designed to help organizations collect, structure, analyze, and share information about cyber threats. It provides a modern web application backed by a GraphQL API and a data model aligned with the STIX2 standard to ensure interoperability across the threat intelligence ecosystem. The platform enables teams to correlate technical indicators such as observables and TTPs with higher-level context like attribution and victimology, creating a unified intelligence knowledge base. OpenCTI is built to integrate with external tools including MISP, TheHive, and MITRE ATT&CK, allowing it to function as a central intelligence hub in security operations. Its design emphasizes traceability by linking intelligence objects back to their original sources and tracking confidence levels and temporal metadata. -
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Raccoon
High-performance reconnaissance and vulnerability scanning tool
Raccoon is a high-performance offensive security tool designed to assist with reconnaissance and vulnerability scanning during penetration testing and security assessments. It automates several common reconnaissance tasks, allowing security professionals to quickly gather information about a target system or web application. The tool combines multiple scanning techniques into a single workflow, helping users identify potential weaknesses, exposed services, and accessible resources on a target host. Raccoon can perform DNS enumeration, subdomain discovery, and URL fuzzing to uncover hidden endpoints and infrastructure components. It also integrates network scanning capabilities through tools such as Nmap to detect open ports, services, and potential vulnerabilities. By consolidating these reconnaissance tasks into a single command-line interface, Raccoon aims to streamline the early phases of security testing and provide actionable information for further investigation. -
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Teardroid
It's easy to use android botnet work without port forwarding
It's easy to use Android botnet work without port forwarding, VPS, and Android Studio. Run Shell Command ( use findphno command in a run shell command to get the device phone number and use findx:pdf to find all the pdf files on the device ) It will prompt you with your Control Panel url enter your deta space control panel url without /v4 or your own server URL (without/at the end of the URL). You will also be prompted for the title and text of the notification. Enter what you want to display on the notification. Using your own keystore it's not recommended to use the default keystore you can modify the values in the Config.py file to use your own keystore with Teardroid v4. -
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Username Anarchy
Username generator for penetration testing and user enumeration
Username Anarchy is an open source command line tool designed to generate possible usernames for use in penetration testing and security assessments. It focuses on solving one of the common challenges in authentication attacks: identifying valid usernames before attempting password attacks. It generates large sets of potential usernames based on a person’s name and common naming conventions used in corporate or online systems. These generated username lists can then be used for activities such as username enumeration, password spraying, or brute force testing during security audits. Username Anarchy supports numerous formatting styles, allowing security testers to replicate patterns commonly used in enterprise environments such as first.last, flast, or firstinitiallastname. Username Anarchy can also utilize name sources gathered from OSINT techniques such as social networks or other public data to produce realistic username lists. -
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WiFi-Pumpkin
WiFi-Pumpkin - Framework for Rogue Wi-Fi Access Point Attack
The WiFi-Pumpkin is a rogue AP framework to easily create these fake networks, all while forwarding legitimate traffic to and from the unsuspecting target. It comes stuffed with features, including rogue Wi-Fi access points, deauth attacks on client APs, a probe request and credentials monitor, transparent proxy, Windows update attack, phishing manager, ARP Poisoning, DNS Spoofing, Pumpkin-Proxy, and image capture on the fly. moreover, the WiFi-Pumpkin is a very complete framework for auditing Wi-Fi security check the list of features is quite broad. -
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discover
Automation framework for reconnaissance and penetration testing tasks
Discover is a collection of custom Bash scripts designed to automate many common tasks involved in penetration testing workflows. The project brings together a variety of security testing functions into a single framework that simplifies reconnaissance, scanning, and enumeration processes. It provides a menu-driven interface that allows security professionals to quickly launch different tools and scripts without manually executing each command. The framework helps streamline activities such as information gathering, network scanning, and web application testing during security assessments. Discover also integrates with well-known security tools like Metasploit to generate malicious payloads and manage listeners for exploitation tasks. By organizing multiple security utilities and scripts into one environment, the project reduces repetitive manual steps and standardizes penetration testing workflows. The tool is commonly used in Kali Linux environments. -
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DNSGen
Intelligent DNS permutation tool for subdomain discovery
DNSGen is an open source DNS name permutation tool designed primarily for security researchers and penetration testers who need to discover potential subdomains during reconnaissance and attack surface mapping. It analyzes existing domain names and generates numerous intelligent variations that may represent valid subdomains within an organization’s infrastructure. These generated permutations help identify hidden or unlisted services that may not appear in standard DNS queries or public records. DNSGen applies multiple permutation techniques to create realistic domain combinations based on modern infrastructure naming patterns, including cloud environments, DevOps tools, and microservice architectures. It can also extract meaningful keywords from existing domain names and incorporate them into newly generated permutations. The resulting domain list can be further processed by DNS resolution tools such as MassDNS to determine which generated domains actually exist.
