Showing 963 open source projects for "linux security"

View related business solutions
  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

    BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
    Try Free
  • Veeam Data Platform v13.1 Icon
    Veeam Data Platform v13.1

    Move workloads across hypervisors and clouds with no vendor lock-in. Try VDP free today.

    Try Veeam Data Platform today. Experience the unified platform that's secure by design, portable by default, and proven to recover clean, fast, and anywhere.
    Try Now
  • 1
    Agentic Security

    Agentic Security

    Agentic LLM Vulnerability Scanner / AI red teaming kit

    The open-source Agentic LLM Vulnerability Scanner.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    Claude Code Security Reviewer

    Claude Code Security Reviewer

    An AI-powered security review GitHub Action using Claude

    The claude-code-security-review repository implements a GitHub Action that uses Claude (via the Anthropic API) to perform semantic security audits of code changes in pull requests. Rather than relying purely on pattern matching or static analysis, this action feeds diffs and surrounding context to Claude to reason about potential vulnerabilities (e.g. injection, misconfigurations, secrets exposure, etc). When a PR is opened, the action analyzes only the changed files (diff-aware scanning),...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    Sigma

    Sigma

    Main Sigma Rule Repository

    Welcome to the Sigma main rule repository. The place where detection engineers, threat hunters and all defensive security practitioners collaborate on detection rules. The repository offers more than 3000 detection rules of different type and aims to make reliable detections accessible to all at no cost. Sigma is an open-source tool for defining generic detection rules for security event logs, enabling security professionals to detect threats across platforms.
    Downloads: 406 This Week
    Last Update:
    See Project
  • 4
    LSG - Linux SecureGuard

    LSG - Linux SecureGuard

    Professional antivirus solution developed for Linux systems.

    Professional antivirus solution developed for Linux systems. Protects your Linux servers and desktop systems with real-time protection, network security and advanced threat detection features.
    Downloads: 11 This Week
    Last Update:
    See Project
  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
    Try It Free
  • 5
    frida

    frida

    Dynamic instrumentation toolkit for developers

    Dynamic instrumentation toolkit for developers, reverse-engineers, and security researchers. Inject your own scripts into black box processes. Hook any function, spy on crypto APIs or trace private application code, no source code needed. Edit, hit save, and instantly see the results. All without compilation steps or program restarts. Works on Windows, macOS, GNU/Linux, iOS, Android, and QNX. Install the Node.js bindings from npm, grab a Python package from PyPI, or use Frida through its Swift bindings, .NET bindings, Qt/Qml bindings, or C API. ...
    Downloads: 317 This Week
    Last Update:
    See Project
  • 6
    holehe

    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...
    Downloads: 310 This Week
    Last Update:
    See Project
  • 7
    SSH-MITM

    SSH-MITM

    Server for security audits supporting public key authentication

    ssh man-in-the-middle (ssh-mitm) server for security audits supporting publickey authentication, session hijacking and file manipulation. SSH-MITM is a man in the middle SSH Server for security audits and malware analysis. Password and publickey authentication are supported and SSH-MITM is able to detect, if a user is able to login with publickey authentication on the remote server. This allows SSH-MITM to accept the same key as the destination server. If publickey authentication is not...
    Downloads: 10 This Week
    Last Update:
    See Project
  • 8
    Toutatis

    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,...
    Downloads: 150 This Week
    Last Update:
    See Project
  • 9
    Wfuzz

    Wfuzz

    Web application fuzzer

    Wfuzz provides a framework to automate web applications security assessments and could help you to secure your web applications by finding and exploiting web application vulnerabilities. Wfuzz it is based on a simple concept: it replaces any reference to the FUZZ keyword by the value of a given payload. A payload in Wfuzz is a source of data. This simple concept allows any input to be injected in any field of an HTTP request, allowing to perform complex web security attacks in different web...
    Downloads: 44 This Week
    Last Update:
    See Project
  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

    Cloud SQL handles your database ops end to end, so you can focus on your app.
    Try Free
  • 10
    Algo VPN

    Algo VPN

    Set of Ansible scripts that simplifies the setup of a personal VPN

    Introducing Algo, a self-hosted personal VPN server designed for ease of deployment and security. Algo automatically deploys an on-demand VPN service in the cloud that is not shared with other users, relies on only modern protocols and ciphers, and includes only the minimal software you need. And it’s free. For anyone who is privacy conscious, travels for work frequently, or can’t afford a dedicated IT department, this one’s for you. Really, the paid-for services are just commercial...
    Downloads: 21 This Week
    Last Update:
    See Project
  • 11
    Blackbird

    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....
    Downloads: 52 This Week
    Last Update:
    See Project
  • 12
    theHarvester

    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.
    Downloads: 29 This Week
    Last Update:
    See Project
  • 13
    Cerberix Linux
    A security-focused, desktop-ready Arch Linux derivative. Hardened by default with XFCE, firewall, IDS, and VPN tooling preconfigured.
    Leader badge
    Downloads: 32 This Week
    Last Update:
    See Project
  • 14
    Watcher

    Watcher

    Open Source Cybersecurity Threat Hunting Platform

    Watcher is a file integrity monitoring tool that detects unauthorized changes to files, helping organizations maintain compliance and security.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 15
    Anthropic Cybersecurity Skills

    Anthropic Cybersecurity Skills

    754 structured cybersecurity skills for AI agents

    Anthropic Cybersecurity Skills is a collection of structured prompts, tools, and workflows designed to enhance the cybersecurity capabilities of AI systems. It focuses on defining reusable “skills” that guide AI models in performing tasks such as vulnerability analysis, threat detection, and security auditing. The project is intended for experimentation and development of AI-assisted cybersecurity workflows, providing templates that can be adapted to different environments. It emphasizes...
    Downloads: 16 This Week
    Last Update:
    See Project
  • 16
    Xteam

    Xteam

    All-in-one command-line toolkit for security testing and OSINT tools

    ...Xteam includes features such as Instagram information gathering, phishing utilities, wireless attack tools, and Android security testing capabilities. Xteam’s architecture uses a main bash script that serves as the hub for running internal modules or downloading and executing external projects when needed. It can operate on Linux systems as well as Android devices using Termux, making it accessible in both desktop and mobile environments.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 17
    DefectDojo

    DefectDojo

    DefectDojo is a DevSecOps and vulnerability management tool

    DefectDojo is a security orchestration and vulnerability management platform. DefectDojo allows you to manage your application security program, maintain product and application information, triage vulnerabilities and push findings to systems like JIRA and Slack. DefectDojo enriches and refines vulnerability data using a number of heuristic algorithms that improve with the more you use the platform. DefectDojo integrates with 85+ security tools. DefectDojo has bi-directional integration with...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 18
    X-osint

    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...
    Downloads: 131 This Week
    Last Update:
    See Project
  • 19
    Mercury Browser

    Mercury Browser

    Privacy-focused web browser fork of Firefox

    Mercury Browser is an optimized, privacy-focused web browser that is a fork of Mozilla Firefox. It incorporates compiler optimizations such as AVX, AES, LTO, and PGO to enhance performance and security. With features derived from projects like LibreWolf, Waterfox, and Ghostery, Mercury disables telemetry and debugging elements by default, ensuring a more private browsing experience. It also includes usability patches that bring back features like the classic top bar and supports unsigned extensions for added flexibility. Mercury is tailored for users prioritizing speed and privacy and is available for both Linux and Windows​.
    Downloads: 32 This Week
    Last Update:
    See Project
  • 20
    Strix

    Strix

    Open-source AI hackers to find and fix your app’s vulnerabilities

    Strix is an open source agent-driven security platform that uses autonomous AI agents to identify, investigate, and validate vulnerabilities in software applications. The system is designed to mimic the behavior of real attackers by executing dynamic testing and verifying findings through proof-of-concept exploitation. Unlike traditional vulnerability scanners that rely heavily on static analysis, Strix agents actively run code, probe systems, and attempt exploitation to confirm whether...
    Downloads: 32 This Week
    Last Update:
    See Project
  • 21
    OSCAL

    OSCAL

    Open Security Controls Assessment Language (OSCAL)

    NIST is developing the Open Security Controls Assessment Language (OSCAL), a set of hierarchical, XML-, JSON-, and YAML-based formats that provide a standardized representation of information pertaining to the publication, implementation, and assessment of security controls. OSCAL is being developed through a collaborative approach with the public. Public contributions to this project are welcome. With this effort, we are stressing the agile development of a set of minimal formats that are...
    Downloads: 8 This Week
    Last Update:
    See Project
  • 22
    discover

    discover

    Automation framework for reconnaissance and penetration testing tasks

    ...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.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    Cybersecurity AI

    Cybersecurity AI

    Cybersecurity AI (CAI), the framework for AI Security

    CAI (Cybersecurity AI) is a lightweight open-source framework intended to help security practitioners build and deploy AI-assisted automation for defensive and offensive security workflows. The project frames itself as a practical foundation for “AI security,” focusing on turning security tasks into agentic workflows that can be composed, executed, and iterated on by practitioners. Rather than being a single-purpose tool, CAI is positioned as a framework that supports building multiple...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    mitmproxy

    mitmproxy

    A free and open source interactive HTTPS proxy

    mitmproxy is an open source, interactive SSL/TLS-capable intercepting HTTP proxy, with a console interface fit for HTTP/1, HTTP/2, and WebSockets. It's the ideal tool for penetration testers and software developers, able to debug, test, and make privacy measurements. It can intercept, inspect, modify and replay web traffic, and can even prettify and decode a variety of message types. Its web-based interface mitmweb gives you a similar experience as Chrome's DevTools, with the addition of...
    Downloads: 20 This Week
    Last Update:
    See Project
  • 25
    WhatsApp Beacon

    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...
    Downloads: 50 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next