Showing 5334 open source projects for "security"

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  • 1
    Portmaster

    Portmaster

    Block Mass Surveillance

    Portmaster is a free and open-source application firewall that does the heavy lifting for you. Restore privacy and take back control over all your computer's network activity. Discover everything that is happening on your computer. Expose every connection your applications make and detect evil ones. Finally, get the power to act accordingly. Protect your whole computer, not just your browser. Block all advertisements and trackers for every application. Easily add your own rules and block...
    Downloads: 36 This Week
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  • 2

    Impacket

    A collection of Python classes for working with network protocols

    Impacket is a collection of Python classes designed for working with network protocols. It was primarily created in the hopes of alleviating some of the hindrances associated with the implementation of networking protocols and stacks, and aims to speed up research and educational activities. It provides low-level programmatic access to packets, and the protocol implementation itself for some of the protocols, like SMB1-3 and MSRPC. It features several protocols, including Ethernet, IP, TCP,...
    Downloads: 3 This Week
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  • 3
    Falco

    Falco

    Malicious activity detection for Cloud-native applications

    Falco is a open source project to detect abnormal application behavior in a cloud native environment like Kubernetes. This cloud native runtime security project allows you to detect unexpected application behavior and alerts on threats.
    Downloads: 0 This Week
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  • 4
    Username Anarchy

    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. ...
    Downloads: 1 This Week
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  • 5
    IVRE

    IVRE

    Open source framework for large scale network reconnaissance and analy

    ...It provides tools for both active and passive reconnaissance, enabling users to understand how networks behave and identify exposed services or infrastructure. The framework integrates with well known security and scanning tools such as Nmap, Masscan, ZGrab2, ZDNS, and Zeek to gather large amounts of network intelligence. IVRE stores the collected data in a database and offers multiple ways to explore and analyze it, including a web interface, command line tools, and a Python API. This allows security professionals to query scan results, inspect network flows, and identify patterns across large datasets. ...
    Downloads: 3 This Week
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  • 6
    libsodium

    libsodium

    A modern, portable, easy to use crypto library

    libsodium is a modern, portable, and easy-to-use cryptographic library that serves as an API-compatible fork of NaCl. Consistent behavior and formats across supported platforms. It enhances the original design with build and portability improvements, making it widely deployable across platforms for secure encryption, signatures, hashing, and key derivation. Digital signature creation and verification support. Adds extended cryptographic primitives like BLAKE2 and ChaCha20-Poly1305 beyond NaCl.
    Downloads: 7 This Week
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  • 7
    Modlishka

    Modlishka

    Powerful and flexible HTTP reverse proxy

    Modlishka is a powerful and flexible HTTP reverse proxy. It implements an entirely new and interesting approach of handling browser-based HTTP traffic flow, which allows to transparently proxy of multi-domain destination traffic, both TLS and non-TLS, over a single domain, without the requirement of installing any additional certificate on the client. What exactly does this mean? In short, it simply has a lot of potential, that can be used in many use case scenarios. Modlishka was written as...
    Downloads: 3 This Week
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  • 8
    Instaloader

    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...
    Downloads: 11 This Week
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  • 9
    Buttercup Desktop

    Buttercup Desktop

    Cross-Platform Passwords & Secrets Vault

    ...Buttercup is free to download and use and is available for Windows, Mac and Linux. Use it alongside the browser extension and mobile app for a completely portable experience. Strong 256bit AES encrypted vaults that meet today's security standards. Rest assured that your credentials are safe. Easy-to-use interfaces with basic concepts make storing and finding your login details a piece of cake. Buttercup's software is free to download and use, forever. It's also available for all major platforms.
    Downloads: 8 This Week
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  • 10
    ModSecurity

    ModSecurity

    Cross platform web application firewall (WAF) engine for Apache

    ModSecurity is an open-source, cross-platform web application firewall (WAF) engine for Apache, IIS and Nginx that is developed by Trustwave's SpiderLabs. It has a robust event-based programming language that provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring, logging and real-time analysis. Libmodsecurity is one component of the ModSecurity v3 project. The library codebase serves as an interface to ModSecurity Connectors taking in web...
    Downloads: 8 This Week
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  • 11
    Global Threat & Event Intelligence Map

    Global Threat & Event Intelligence Map

    Interactive map for exploring global conflicts & geopolitical threats

    ...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.
    Downloads: 5 This Week
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  • 12
    IPRanges

    IPRanges

    Daily updated lists of cloud, bot, and service IP ranges

    ipranges is an open source repository that provides continuously updated lists of IP address ranges associated with major cloud providers, search engine crawlers, and online services. ipranges collects IP ranges from publicly available sources and organizes them into structured files that can be easily used in security, networking, and automation workflows. It includes address ranges from providers such as Google Cloud, Amazon AWS, Microsoft, Oracle Cloud, and DigitalOcean, as well as well known service platforms like GitHub, Facebook, Twitter, and Telegram. It also tracks IP ranges used by search engine bots and automated agents including Googlebot, Bingbot, and OpenAI’s GPTBot. ...
    Downloads: 2 This Week
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  • 13
    Tookie-OSINT

    Tookie-OSINT

    Username OSINT tool for discovering accounts across many websites

    ...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.
    Downloads: 2 This Week
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  • 14
    ClatScope

    ClatScope

    OSINT reconnaissance tool for IP, domain, email, and username lookups

    ClatScope is a Python-based OSINT (open source intelligence) utility designed to gather and analyze publicly available information from multiple online sources. It is primarily aimed at investigators, cybersecurity professionals, penetration testers, and researchers who need a centralized platform for reconnaissance tasks. It integrates with numerous public APIs and internet services to retrieve detailed data about IP addresses, domains, email addresses, phone numbers, usernames, and other...
    Downloads: 10 This Week
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  • 15
    subfinder

    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...
    Downloads: 10 This Week
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  • 16
    Infosec Reference

    Infosec Reference

    An Information Security Reference That Doesn't Suck

    ...Because security spans many domains, Infosec Reference helps consolidate high-value, battle-tested knowledge into one place, reducing the need to scour scattered blogs or notes. It often contains links to external references, example commands, common workflows, and template policies or checklists. For newer security professionals or teams looking to build a shared reference, it serves as a catalog of contextually verified insights, a starting point for training, or a hub for standardized practices.
    Downloads: 0 This Week
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  • 17
    FlareSolverr

    FlareSolverr

    Proxy server to bypass Cloudflare protection

    FlareSolverr is a proxy server to bypass Cloudflare and DDoS-GUARD protection. FlareSolverr starts a proxy server, and it waits for user requests in an idle state using few resources. When some request arrives, it uses puppeteer with the stealth plugin to create a headless browser (Firefox). It opens the URL with user parameters and waits until the Cloudflare challenge is solved (or timeout). The HTML code and the cookies are sent back to the user, and those cookies can be used to bypass...
    Downloads: 50 This Week
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  • 18
    OWASP Juice Shop

    OWASP Juice Shop

    Probably the most modern and sophisticated insecure web application

    It can be used in security trainings, awareness demos, CTFs and as a guinea pig for security tools! Juice Shop encompasses vulnerabilities from the entire OWASP Top Ten along with many other security flaws found in real-world applications! Juice Shop is written in Node.js, Express and Angular. It was the first application written entirely in JavaScript listed in the OWASP VWA Directory.
    Downloads: 1 This Week
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  • 19
    Keycloak

    Keycloak

    Identity and access management for modern applications and services

    Add authentication to applications and secure services with minimum fuss. No need to deal with storing users or authenticating users. It's all available out of the box. You'll even get advanced features such as User Federation, Identity Brokering and Social Login. Keycloak is an open source Identity and Access Management solution aimed at modern applications and services. It makes it easy to secure applications and services with little to no code. Users authenticate with Keycloak rather than...
    Downloads: 12 This Week
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  • 20
    proxy.py

    proxy.py

    Utilize all available CPU cores for accepting new client connections

    proxy.py is made with performance in mind. By default, proxy.py will try to utilize all available CPU cores to it for accepting new client connections. This is achieved by starting AcceptorPool which listens on configured server port. Then, AcceptorPool starts Acceptor processes (--num-acceptors) to accept incoming client connections. Alongside, if --threadless is enabled, ThreadlessPool is setup which starts Threadless processes (--num-workers) to handle the incoming client connections....
    Downloads: 3 This Week
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  • 21
    SoftEther VPN

    SoftEther VPN

    Cross-platform multi-protocol VPN software

    An open-source free cross-platform multi-protocol VPN program, as an academic project from University of Tsukuba, under the Apache License 2.0. The API Suite allows you to easily develop your original SoftEther VPN Server management application to control the VPN Server (e.g. creating users, adding Virtual Hubs, disconnecting a specified VPN sessions) from JavaScript, TypeScript, C# or other languages. SoftEther VPN ("SoftEther" means "Software Ethernet") is one of the world's most powerful...
    Downloads: 93 This Week
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  • 22
    Cr3dOv3r

    Cr3dOv3r

    Know the dangers of credential reuse attacks

    ...It is primarily intended for educational and ethical security testing purposes, helping security professionals understand how attackers might exploit reused passwords. The system integrates with external APIs and services to gather breach data and perform automated checks efficiently. It supports multiple modes of operation, including leak-only analysis and credential testing workflows.
    Downloads: 0 This Week
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  • 23
    Tailsnitch

    Tailsnitch

    A security auditor for Tailscale configurations

    tailsnitch is a security auditing tool for Tailscale networks (tailnets) that scans configurations and device setups to detect risky or overly permissive settings, helping administrators maintain a secure mesh network. Written in Go and designed to be run either as a CLI or integrated into automated pipelines, tailsnitch performs dozens of checks against common access control policies, authentication key practices, network exposure issues, and device security settings. ...
    Downloads: 0 This Week
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  • 24
    Laravel CSP

    Laravel CSP

    Set content security policy headers in a Laravel app

    ...Setting Content Security Policy headers helps solve this problem. These headers dictate which sites your site is allowed to contact. This package makes it easy for you to set the right headers.
    Downloads: 0 This Week
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  • 25
    DNS Blocklists

    DNS Blocklists

    For a better internet - keep the internet clean

    DNS Blocklists is a comprehensive collection of DNS-based filtering lists designed to enhance privacy, security, and browsing performance by blocking unwanted or harmful domains. The project offers multiple tiers of blocklists, ranging from lightweight filtering to aggressive protection, allowing users to choose the level of blocking that best fits their needs. It targets a wide range of online threats and nuisances, including advertisements, trackers, malware, phishing domains, scam websites, and cryptojacking services. ...
    Downloads: 4 This Week
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