Open Source Linux OSINT Tools
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OSINT Tools for Linux
View 714 business solutionsBrowse free open source OSINT tools and projects for Linux below. Use the toggles on the left to filter open source OSINT tools by OS, license, language, programming language, and project status.
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Next-Gen Encryption for Post-Quantum Security | CLEAR by Quantum KnightCLEAR by Quantum Knight is a FIPS-140-3 validated encryption SDK engineered for enterprises requiring top-tier security. Offering robust post-quantum cryptography, CLEAR secures files, streaming media, databases, and networks with ease across over 30 modern platforms. Its compact design, smaller than a single smartphone image, ensures maximum efficiency and low energy consumption.
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Collect! is a highly configurable debt collection softwareThe flexible & scalable debt collection software built to automate your workflow. From startup to enterprise, we have the solution for you.
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World Monitor
Real-time global intelligence dashboard
World Monitor is an open-source real-time intelligence dashboard that aggregates global news, geopolitical signals, and infrastructure data into a unified situational awareness interface. Built primarily with TypeScript and modern web technologies, the project aims to reduce information fragmentation by consolidating hundreds of curated feeds into a single interactive environment. The platform emphasizes geospatial context through features such as interactive maps and a 3D WebGL globe, enabling users to visualize global events dynamically. It incorporates AI-assisted summarization and local LLM support to help users process large volumes of information more efficiently. The application can run as a native desktop app or progressive web app, reflecting a focus on accessibility and offline-capable intelligence workflows. Overall, worldmonitor positions itself as a free OSINT-style monitoring hub for analysts, researchers, and anyone needing real-time global awareness. -
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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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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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PhoneInfoga
Information gathering framework for phone numbers
PhoneInfoga is an open-source intelligence framework focused on gathering and analyzing information related to international phone numbers. The tool aggregates data from multiple scanners and external services to provide contextual intelligence such as country, carrier, line type, and potential VoIP provider details. It is designed primarily for investigators, analysts, and security researchers who need structured phone-number reconnaissance rather than real-time tracking. PhoneInfoga intentionally avoids automation of invasive actions and instead assists manual investigations by correlating publicly available data. The platform includes both a command-line interface and a web client backed by a REST API, making it suitable for integration into larger investigative workflows. Because it relies heavily on external data sources, its effectiveness depends on proper configuration of scanners and APIs. -
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X-osint
Open source OSINT tool for gathering data on emails, phones, and IPs
X-osint is an open source intelligence framework designed to collect and analyze publicly available information from multiple sources. It focuses on gathering useful and credible data about entities such as phone numbers, email addresses, and IP addresses using a range of automated OSINT techniques. It provides investigators and researchers with a centralized interface for running information-gathering tasks that would normally require multiple separate tools. X-osint can also perform domain-related reconnaissance activities such as subdomain enumeration, DNS lookups, and host discovery to help identify infrastructure associated with a target. In addition to network and domain intelligence, it includes features for extracting metadata from files or images and analyzing text content to uncover hidden details. X-osint is written primarily in Python and is designed to run in terminal environments, particularly on Linux systems and Termux setups. -
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Osintgram
Osintgram is a OSINT tool on Instagram
Osintgram is an OSINT (Open Source Intelligence) tool designed to extract, analyze, and store information from public Instagram profiles. It allows users to retrieve data like followers, hashtags, stories, tagged posts, and locations. The tool is often used by researchers and security analysts for data gathering, footprinting, and investigative purposes related to social media profiling. -
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theHarvester
E-mails, subdomains and names
theHarvester is a very simple to use, yet powerful and effective tool designed to be used in the early stages of a penetration test or red team engagement. Use it for open source intelligence (OSINT) gathering to help determine a company's external threat landscape on the internet. The tool gathers emails, names, subdomains, IPs and URLs using multiple public data sources. -
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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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ASNmap
CLI tool for mapping organization network ranges using ASN data
asnmap is a command line tool and Go library designed to quickly map network ranges belonging to organizations using Autonomous System Number (ASN) data. It allows users to convert different types of inputs (such as ASN numbers, IP addresses, domain names, or organization names) into their associated CIDR ranges. This capability makes it particularly useful for security researchers, penetration testers, and reconnaissance workflows that require identifying network infrastructure owned by a target organization. asnmap retrieves ASN-related data and returns structured results that can be easily integrated into automated pipelines. Output can be generated in multiple formats including plain text, JSON, and CSV, enabling flexible data processing and analysis. asnmap also supports reading input from standard input and piping its results directly into other command line tools for chained workflows. -
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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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uncover
Discover exposed internet hosts using multiple search engine APIs
Uncover is an open source reconnaissance tool designed to quickly discover exposed hosts on the internet by querying multiple search engine APIs through a unified interface. It acts as a Go-based wrapper around well-known internet intelligence platforms, allowing users to gather information about publicly accessible systems from a single command-line tool. By integrating with services such as Shodan, Censys, FOFA, ZoomEye, and others, the tool enables security professionals to efficiently search for internet-facing assets and services. The tool is built with automation in mind, making it suitable for security workflows and pipelines used by penetration testers, researchers, and bug bounty hunters. Instead of manually querying several search engines separately, uncover aggregates results from supported providers and returns them in a standardized format. This approach simplifies large-scale reconnaissance tasks and speeds up the discovery of exposed infrastructure or services. -
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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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Toutatis
Extract public Instagram account information from usernames
Toutatis is an open source command-line tool designed to extract publicly available information from Instagram accounts. It helps users gather various data points from a target profile by querying Instagram using a username or account ID. The tool can retrieve details such as profile metadata, follower counts, biography information, and other publicly accessible account attributes. In addition to basic profile data, Toutatis can also reveal contact details that may be publicly exposed, including email addresses and phone numbers associated with the account. The utility is implemented in Python and runs through a simple command-line interface, making it easy to integrate into OSINT workflows and automation scripts. Toutatis is commonly used in open source intelligence investigations, research tasks, and security analysis that involve collecting publicly available social media data. -
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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. -
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Social-Analyzer
API, CLI, and Web App for analyzing and finding a person's profile
Social Analyzer is an open source OSINT tool that helps investigators discover and analyze a person’s presence across a very large number of social media platforms. It provides a unified API, CLI, and web interface capable of scanning hundreds or thousands of sites for username matches and related metadata. The project includes modular detection and analysis components that users can enable depending on their investigative needs. It is commonly used in cybersecurity, digital forensics, and reconnaissance workflows where identity correlation is required. Social Analyzer emphasizes flexibility, allowing integration into automated pipelines or manual investigations. Overall, the project functions as a powerful reconnaissance engine for mapping online identities at scale. -
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Telegram-OSINT
https://github.com/The-Osint-Toolbox/Telegram-OSINT
Telegram-OSINT is an extensive open source repository that compiles tools, techniques, and resources for conducting open source intelligence investigations on the Telegram platform. It serves as a central reference for analysts, researchers, and investigators who want to discover, analyze, and collect publicly available information from Telegram channels, groups, and bots. It organizes a wide variety of utilities that interact with Telegram’s API to gather data such as channel details, posts, and metadata, often exporting the results in formats like JSON for further analysis. The repository also includes utilities that help search for Telegram channels or process lists of channels from input files, making large-scale investigations easier to manage. In addition to direct data collection tools, it provides resources for channel discovery, similar channel analysis, and browser-based interfaces for interacting with Telegram data. -
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Blackbird
OSINT tool for finding accounts across 600+ sites by username or email
Blackbird is an open source OSINT tool designed to search for user accounts across social networks and online platforms using a username or email address. The project focuses on helping investigators, researchers, and security professionals quickly discover where a specific identity appears on the internet. It performs reverse searches across more than 600 websites by leveraging data from the community-driven WhatsMyName project, which improves detection accuracy and reduces false positives. The tool operates primarily through a command line interface, allowing users to run automated searches and gather results from many platforms in a single process. Blackbird also includes an optional AI-powered profiling feature that analyzes discovered sites to generate behavioral and technical insights about a user’s online presence. Results from searches can be exported in formats such as PDF, CSV, or JSON for documentation or reporting purposes. -
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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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Flowsint
Graph-based OSINT investigation platform w visual relationship mapping
Flowsint is an open source OSINT investigation platform designed to help analysts explore and understand relationships between digital entities through a visual graph interface. The platform focuses on reconnaissance and open source intelligence workflows, enabling investigators to map connections between domains, IP addresses, organizations, individuals, and other data points. By presenting these relationships in an interactive graph, Flowsint allows users to quickly identify patterns, associations, and investigative leads that might be difficult to detect through traditional data analysis methods. The system includes automated enrichers that gather additional intelligence about entities such as domain records, social media profiles, network infrastructure, and cryptocurrency activity. Its modular architecture separates the frontend application, API server, core services, and enrichment modules, making the platform extensible and easier to expand with new investigative capabilities. -
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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. -
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BlackWidow
Python web scanner for OSINT gathering and OWASP vulnerability fuzzing
BlackWidow is a Python-based web application scanning tool designed to crawl target websites and collect open-source intelligence (OSINT) while identifying potential security vulnerabilities. It functions as a web spider that systematically explores a site to gather valuable information such as URLs, dynamic parameters, subdomains, email addresses, and phone numbers associated with the target domain. By automatically extracting this data, BlackWidow helps security professionals and researchers build a clearer understanding of a website’s structure and publicly accessible information. In addition to information gathering, the project includes a built-in fuzzing component called Inject-X, which tests dynamic URLs for common vulnerabilities listed in the OWASP Top 10. The scanner analyzes parameters and injects payloads to detect issues such as SQL injection, cross-site scripting (XSS), and open redirect vulnerabilities. -
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holehe
Check if the mail is used on different sites
holehe is a Python-based OSINT utility designed to determine whether a specific email address is registered across a wide range of online services. The tool works by leveraging password-reset mechanisms and other public account-existence checks to infer whether an email is associated with accounts on major platforms. It supports more than a hundred websites and is commonly used during reconnaissance, digital investigations, and account exposure assessments. holehe is designed to operate quickly and quietly, emphasizing efficiency and minimal footprint during enumeration tasks. The project can be used both as a standalone command-line tool and as a library embedded into larger automation pipelines. Overall, holehe provides investigators with a focused and scalable method for mapping an email’s online presence. -
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GoSearch
OSINT tool to find usernames and digital footprints across 300+ sites
GoSearch is an open source OSINT tool designed to investigate a person's digital footprint by searching for usernames across hundreds of websites. The tool scans more than 300 platforms to determine whether a specific username exists on social networks and other online services. Built with the Go programming language, it aims to provide faster performance compared to similar tools written in other languages. GoSearch was inspired by the well-known Sherlock username search tool, but it attempts to address several of its limitations such as slow execution, outdated sources, and inaccurate results. The tool reduces false positives and false negatives by clearly marking uncertain matches, allowing users to quickly identify reliable results. In addition to username searches, GoSearch can check various breach intelligence databases for compromised credentials linked to a username. If password hashes are found in breach data, the tool can attempt to crack them using the Weakpass database. -
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Tookie-OSINT
Username OSINT tool for discovering accounts across many websites
Tookie-OSINT is an open source intelligence tool designed to help security researchers, ethical hackers, and investigators discover online accounts associated with a specific username. It automates the process of searching for usernames across multiple websites, making it easier to identify a person's presence on different platforms. By entering a target username, Tookie-OSINT scans a list of supported sites and checks whether the username exists on those platforms. This approach removes the need for manual checks and significantly speeds up OSINT investigations. It is similar in concept to tools such as Sherlock, focusing on identifying user profiles across social media and other online services. Tookie-OSINT includes both command-line and optional web interface functionality, giving users flexible ways to run scans and analyze results. Tookie-OSINT was created to help beginners and aspiring security professionals learn about OSINT techniques. -
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urlhunter
Search exposed URLs from shortener services using keyword filtering
urlhunter is an open source reconnaissance tool designed to help security researchers discover URLs that have been exposed through URL shortener services such as bit.ly and goo.gl. It works by analyzing large datasets generated from brute-forced short links that are publicly released by the URLTeam project. These datasets contain resolved long URLs that were originally hidden behind short links, which can sometimes reveal sensitive or previously unknown endpoints. urlhunter downloads these collections and allows users to search and analyze them using custom keywords or patterns. This capability makes it useful for identifying exposed resources such as documents, internal panels, or forgotten endpoints that may still be accessible online. urlhunter is written in Go and operates as a command-line utility, making it suitable for automation and integration into reconnaissance workflows.
