Showing 1635 open source projects for "linux operating systems"

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  • 1
    privacy.sexy

    privacy.sexy

    Open-source tool to enforce privacy & security best-practices

    Enforce privacy & security best practices on Windows, macOS, and Linux, because privacy is sexy. Regularly applying your configuration with privacy.sexy is recommended, especially after each new release and major operating system updates. Each version updates scripts to enhance stability, privacy, and security.
    Downloads: 4 This Week
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  • 2
    Claw Hunter

    Claw Hunter

    MDM-ready scripts for detecting and monitoring OpenClaw

    Claw Hunter is an open-source security tool designed to detect, analyze, and mitigate risks associated with autonomous AI agents, specifically those built on platforms like OpenClaw. As agentic AI systems gain popularity, they introduce a new class of security challenges because they can execute commands, access files, and interact with external systems with minimal human oversight. Claw-Hunter addresses this emerging threat landscape by providing visibility into these agents, helping...
    Downloads: 1 This Week
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  • 3
    PHP OAuth 2.0 Server

    PHP OAuth 2.0 Server

    A spec compliant, secure by default

    league/oauth2-server is a standards compliant implementation of an OAuth 2.0 authorization server written in PHP which makes working with OAuth 2.0 trivial. You can easily configure an OAuth 2.0 server to protect your API with access tokens, or allow clients to request new access tokens and refresh them. The latest version of this package supports PHP 7.2, PHP 7.3, PHP 7.4, PHP 8.0. The openssl and json extensions are also required. All HTTP messages passed to the server should be PSR-7...
    Downloads: 1 This Week
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  • 4
    GmSSL

    GmSSL

    Password toolbox that supports national secret

    GmSSL is an open source library of domestic commercial ciphers independently developed by Peking University. It realizes comprehensive functional coverage of national secret algorithms, standards, and secure communication protocols. It supports mainstream operating systems and processors including mobile terminals, and supports cryptographic keys, Cipher cards and other typical domestic cryptographic hardware provide feature-rich command line tools and multiple compiled language programming interfaces. GmSSL 3.0 greatly reduces memory requirements and binary code volume, does not rely on dynamic memory, and can be used in low-power embedded environments (MCU, SOC, etc.) ...
    Downloads: 2 This Week
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  • 5
    Alerta

    Alerta

    Alerta monitoring system

    Email was not designed to be used as an alert console. It is not a scalable solution when it comes to monitoring and alert visualization. A minimal installation of Alerta can be deployed quickly and easily as monitoring requirements and confidence grow. There are integrations available with Prometheus, Riemann, Nagios, Zabbix, netdata, Sensu, Pingdom and Cloudwatch. Integrating bespoke systems is easy using the API or command-line tool. Alerts are submitted in JSON format to an HTTP API....
    Downloads: 7 This Week
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  • 6
    OpenZeppelin Contracts

    OpenZeppelin Contracts

    OpenZeppelin Contracts is a library for secure smart contracts

    A library for secure smart contract development. Build on a solid foundation of community-vetted code. OpenZeppelin Contracts uses semantic versioning to communicate backward compatibility of its API and storage layout. To keep your system secure, you should always use the installed code as-is, and neither copy-paste it from online sources nor modify it yourself. The library is designed so that only the contracts and functions you use are deployed, so you don't need to worry about it...
    Downloads: 9 This Week
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  • 7
    T3MP3ST

    T3MP3ST

    Autonomous red teaming platform

    T3MP3ST is a multi-agent offensive security framework for authorized red-team research, CTFs, and security education. It wraps an existing AI coding agent with orchestration for reconnaissance, exploit exploration, validation, and reporting. The project can work through a browser War Room or CLI while relying on agents such as Claude Code, Codex, Hermes, or locally hosted models. It emphasizes reproducible benchmark claims, keyless operation, and a clear status table that separates stable...
    Downloads: 7 This Week
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  • 8
    Namecoin Core

    Namecoin Core

    Namecoin full node + wallet based on the current Bitcoin Core codebase

    Namecoin Core is the reference implementation of Namecoin, a decentralized naming system based on the Bitcoin protocol. It allows users to register and manage domain names and identities on a blockchain, aiming to provide censorship-resistant and secure alternatives to traditional DNS systems.​
    Downloads: 3 This Week
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  • 9
    Hoverfly

    Hoverfly

    Lightweight service virtualization/ API simulation / API mocking tool

    Hoverfly is a lightweight, open source API simulation tool. Using Hoverfly, you can create realistic simulations of the APIs your application depends on. Replace unreliable test systems and restrictive API sandboxes with high-performance simulations in seconds. Run on MacOS, Windows or Linux, or use native Java or Python language bindings to get started quickly. Simulate API latency or failure when required by writing custom scripts in the language of your choice.
    Downloads: 7 This Week
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  • 10
    H4X-Tools

    H4X-Tools

    A modular, terminal-based toolkit for OSINT, reconnaissance

    ...The toolkit is designed to be extensible, so contributors can add new tools by creating modules that follow its BaseTool structure. It is intended for educational and authorized security research only, not for use against systems or accounts without permission.
    Downloads: 6 This Week
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  • 11
    Trillian

    Trillian

    A transparent, highly scalable and cryptographically verifiable data

    trillian is a transparent, cryptographically verifiable data store built on Merkle trees that provides append-only logs and verifiable key–value maps. It separates a storage layer from a verifiability layer, letting applications prove inclusion, consistency, and non-existence through compact cryptographic proofs. The system is designed for horizontal scale with gRPC APIs, enabling multiple frontends and sequencers to operate over a shared backend. Common use cases include certificate...
    Downloads: 8 This Week
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  • 12
    Ockam

    Ockam

    Orchestrate end-to-end encryption, mutual authentication

    Ockam is a suite of open source tools, programming libraries, and managed cloud services to orchestrate end-to-end encryption, mutual authentication, key management, credential management, and authorization policy enforcement – at massive scale. Modern applications are distributed and have an unwieldy number of interconnections that must trustfully exchange data. To build trust for data-in-motion, applications need end-to-end guarantees of data authenticity, integrity, and confidentiality....
    Downloads: 0 This Week
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  • 13
    pompelmi

    pompelmi

    Minimal Node.js wrapper around ClamAV

    Pompelmi is an open-source application designed to provide a simple and efficient interface for interacting with large language models, focusing on usability and accessibility. It offers a streamlined chat-based experience where users can communicate with AI models for various tasks such as writing, analysis, and general assistance. The application emphasizes a clean and minimal interface, reducing complexity while maintaining essential functionality. It is designed to support local or...
    Downloads: 6 This Week
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  • 14
    uncover

    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...
    Downloads: 9 This Week
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  • 15
    OmniAuth

    OmniAuth

    OmniAuth is a flexible authentication system utilizing Rack middleware

    OmniAuth is a library that standardizes multi-provider authentication for web applications. It was created to be powerful, flexible, and do as little as possible. Any developer can create strategies for OmniAuth that can authenticate users via disparate systems. OmniAuth strategies have been created for everything from Facebook to LDAP. In order to use OmniAuth in your applications, you will need to leverage one or more strategies. These strategies are generally released individually as...
    Downloads: 6 This Week
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  • 16
    ASN

    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,...
    Downloads: 7 This Week
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  • 17
    KadNode

    KadNode

    P2P DNS with content key, crypto key and PKI support

    KadNode is a decentralized DNS resolver that uses the BitTorrent Distributed Hash Table (DHT) network to resolve domain names, particularly those ending with .p2p. It operates as a lightweight daemon, intercepting DNS requests and providing IP address resolutions without relying on centralized DNS infrastructure. KadNode supports authentication mechanisms to ensure the integrity and authenticity of the resolved addresses.​
    Downloads: 2 This Week
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  • 18
    Metabigor

    Metabigor

    Command-line OSINT and reconnaissance tool without API keys

    Metabigor is a command-line intelligence and OSINT tool designed to perform reconnaissance and security research tasks without requiring API keys. It focuses on simplifying access to public intelligence sources so that researchers, penetration testers, and bug bounty hunters can gather information efficiently from a single interface. It enables users to discover IP ranges, domains, and infrastructure details related to organizations, domains, or autonomous systems. Metabigor integrates...
    Downloads: 8 This Week
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  • 19
    aws-encryption-sdk-cli

    aws-encryption-sdk-cli

    CLI wrapper around aws-encryption-sdk-python

    This command line tool can be used to encrypt and decrypt files and directories using the AWS Encryption SDK. If you have not already installed cryptography, you might need to install additional prerequisites as detailed in the cryptography installation guide for your operating system. Installation using a python virtual environment is recommended to avoid conflicts between system packages and user-installed packages. For the most part, the behavior of aws-encryption-cli in handling files is...
    Downloads: 3 This Week
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  • 20
    Redwood

    Redwood

    The App Framework for Startups

    Focus on building your startup, not fighting your framework. Redwood is the full-stack web framework designed to help you grow from side project to startup. Our mission is to help more startups explore more territory, more quickly. We begin by crafting a more integrated framework. We’ve chosen the world’s most popular rendering engine to power Redwood’s web frontend. With React, you’ll have your pick of learning materials, design systems, and trained employees. As your project grows, so will...
    Downloads: 6 This Week
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  • 21
    Claude BugHunter

    Claude BugHunter

    A Claude Code skill bundle for bug hunting

    Claude-BugHunter is a Claude Code skill bundle focused on bug hunting, security testing, and external red-team research workflows. It packages a large collection of specialized skills, slash commands, and disclosed-report patterns so Claude Code can reason through common vulnerability classes more systematically. The project is meant to help authorized testers structure reconnaissance, triage, hypothesis building, exploitation reasoning, and reporting. It includes curated patterns from...
    Downloads: 2 This Week
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  • 22
    Defending Code Reference Harness

    Defending Code Reference Harness

    Skills for threat modeling, scanning, triage, patching, etc.

    Defending Code Reference Harness is a reference implementation for autonomous vulnerability discovery and remediation with Claude. It is designed for security teams that want a structured way to test, triage, and patch software issues with agent support. The project includes skills for threat modeling, scanning, triage, patching, and customizable autonomous analysis workflows. Its default pipeline focuses on finding memory bugs in C and C++ code using ASAN as the crash detector. The overall...
    Downloads: 1 This Week
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  • 23
    Password Safe

    Password Safe

    Popular easy-to-use and secure password manager

    Password Safe is a password database utility. Users can keep their passwords securely encrypted on their computers. A single Safe Combination unlocks them all.
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    Downloads: 2,846 This Week
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  • 24
    Scope Sentry

    Scope Sentry

    Cyberspace asset mapping and vulnerability scanning platform

    ScopeSentry is an open source cybersecurity tool designed for cyberspace asset mapping and automated security analysis. It helps security researchers and penetration testers discover, monitor, and analyze internet-facing assets belonging to a target scope. ScopeSentry combines multiple reconnaissance and vulnerability assessment capabilities such as subdomain enumeration, port scanning, directory scanning, and sensitive information detection. ScopeSentry can automatically identify assets and...
    Downloads: 1 This Week
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  • 25
    Skitter Creek Bath Salts

    Skitter Creek Bath Salts

    Unlocking _everything_ on the CPU with DRAM scrambling

    Skitter Creek Bath Salts is a security research project exploring how low-level DRAM address translation affects processor security boundaries. It demonstrates that changing memory-controller translation behavior can expose physical memory regions normally hidden from the operating system. The research targets AMD Family 16h processors, whose documentation describes relevant DRAM translation registers. Its examples examine protected areas associated with the Platform Security Processor,...
    Downloads: 0 This Week
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