Showing 180 open source projects for "security operating system"

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  • 1
    OpenH264

    OpenH264

    Open Source H.264 Codec

    Cisco has taken their H.264 implementation and open-sourced it under BSD license terms. Development and maintenance will be overseen by a board from the industry and the open-source community. Furthermore, we have provided a binary form suitable for inclusion in applications across a number of different operating systems and made this binary module available for download from the Internet. We will not pass on our MPEG-LA licensing costs for this module, and based on the current licensing...
    Downloads: 40 This Week
    Last Update:
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  • 2
    Keybase client

    Keybase client

    Keybase Go library, client, service, OS X, iOS, Android, Electron

    Keybase is secure messaging and file-sharing. We use public key cryptography to ensure your messages stay private. Even we can’t read your chats. Keybase works for families, roommates, clubs, and groups of friends, too. Keybase connects to public identities, too. You can connect with communities from Twitter, Reddit, and elsewhere. Don’t live dangerously when it comes to documents. Keybase can store your group’s photos, videos, and documents with end-to-end encryption. You can set a timer on...
    Downloads: 2 This Week
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  • 3
    The Book of Secret Knowledge

    The Book of Secret Knowledge

    A collection of inspiring lists, manuals, cheatsheets, blogs, hacks

    The Book of Secret Knowledge is a large curated knowledge base for developers, system administrators, security learners, and technical power users. It collects manuals, cheat sheets, command-line tricks, web tools, blogs, one-liners, configuration examples, and practical references in one organized repository. The project is not a traditional application, but a navigable technical library meant to save time when looking for useful tools or operational knowledge.
    Downloads: 5 This Week
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  • 4
    Nebular

    Nebular

    Customizable Angular UI Library based on Eva Design System

    Nebular is a customizable Angular UI library that contains 40+ UI components, four visual themes, and Auth and Security modules. Recognized at the prestigious AngularConnect 2018, this Angular framework allows focusing on beautiful designs to adapt them to your brand. Nebular is free of charge and open-source. Nebular is a customizable Angular UI Library based on Eva Design System specifications, with 40+ UI components, 4 visual themes, Auth and Security modules. ...
    Downloads: 4 This Week
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  • 5
    age

    age

    A simple, modern and secure encryption tool (and Go library)

    ...Because of its design philosophy, it avoids the bloat of many older encryption utilities while maintaining strong cryptographic hygiene. It’s especially useful for developers or system administrators who want to adopt encryption without learning a multitude of options.
    Downloads: 5 This Week
    Last Update:
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  • 6
    RedSun

    RedSun

    The Red Sun vulnerability repository

    RedSun is a proof-of-concept security project that demonstrates a critical privilege escalation vulnerability in Microsoft Defender by exploiting unintended file-handling behavior. The tool leverages how Defender processes files tagged with cloud metadata, where instead of removing malicious files, the antivirus may rewrite them to their original location. By carefully manipulating this process, the exploit enables attackers to overwrite protected system files and gain SYSTEM-level privileges from a low-privilege account. ...
    Downloads: 40 This Week
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  • 7
    Copy Fail - CVE-2026-31431

    Copy Fail - CVE-2026-31431

    epository that demonstrates and analyzes a Linux kernel vulnerability

    ...Overall, it contributes to the study of system-level security flaws and mitigation strategies.
    Downloads: 2 This Week
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  • 8
    Coraza

    Coraza

    OWASP Coraza WAF is a golang modsecurity compatible firewall library

    Coraza is an open-source, enterprise-grade, high-performance Web Application Firewall (WAF) ready to protect your beloved applications. It is written in Go, supports ModSecurity SecLang rulesets and is 100% compatible with the OWASP Core Rule Set. Coraza is a drop-in alternative to replace the soon-to-be abandoned Trustwave ModSecurity Engine and supports industry-standard SecLang rule sets. Coraza runs the OWASP Core Rule Set (CRS) to protect your web applications from a wide range of...
    Downloads: 5 This Week
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  • 9
    ToaruOS

    ToaruOS

    Hobby operating system, bootloader, kernel, drivers, C library

    ToaruOS is a "complete" operating system for x86-64 PCs and experimental support for ARMv8. While many independent, hobby, and research OSes aim to experiment with new designs, ToaruOS is intended as an educational resource, providing a representative microcosm of functionality found in major desktop operating systems. The OS includes a kernel, bootloader, dynamic shared object linker, C standard library, its own composited windowing system, a dynamic bytecode-compiled programming language, advanced code editor, and dozens of other utilities and example applications. ...
    Downloads: 1 This Week
    Last Update:
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  • 10
    Awesome Privacy

    Awesome Privacy

    A curated list of privacy & security-focused software and services

    Awesome Privacy is a curated directory of privacy-respecting alternatives to mainstream apps and services, organized across many categories like browsers, search, email, messaging, cloud storage, and operating systems. It aims to help you choose tools that reduce tracking, fingerprinting, and data collection without sacrificing usability. Each entry highlights the project’s core properties—such as open source status, end-to-end encryption, and platform availability—so you can evaluate...
    Downloads: 2 This Week
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  • 11
    Vico

    Vico

    A light and extensible chart library for Android

    Vico is a light and extensible chart library for Android. It’s compatible with both Jetpack Compose and the view system, but its two main modules—compose and views—are independent.
    Downloads: 2 This Week
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  • 12
    Mikmod Sound System
    Mikmod is a module player and library supporting many formats, including mod, s3m, it, and xm. Originally a player for MS-DOS, MikMod has been ported to other platforms, such as Unix, Macintosh, BeOS, and Java(!!)
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    Downloads: 319 This Week
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  • 13
    react-native-device-info

    react-native-device-info

    Device Information for React Native iOS and Android

    A React Native library that provides device and system information for mobile applications, enabling app customization based on device-specific details.
    Downloads: 4 This Week
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  • 14
    Quake3e

    Quake3e

    Improved Quake III Arena engine

    Quake3e is a modernized fork of id Software’s Quake III Arena engine, tailored for mod developers and competitive players. It includes numerous technical improvements while preserving the core gameplay and mod compatibility of the original. Focused on performance, security, and extended modding capabilities, it has become a popular base for competitive tournaments and engine forks. With its updated rendering path and support for high refresh rates, Quake3e offers a slick and responsive...
    Downloads: 3 This Week
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  • 15
    Tailslayer

    Tailslayer

    Library for reducing tail latency in RAM reads

    Tailslayer is a cybersecurity and forensic analysis tool designed to extract and analyze artifacts from Tails OS environments. It focuses on uncovering traces of activity in systems that are designed to be privacy-preserving and ephemeral. The tool helps investigators identify residual data such as logs, configurations, or usage traces that may persist despite Tails’ security features. It is particularly relevant for digital forensics and research into privacy systems. Tailslayer emphasizes...
    Downloads: 1 This Week
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  • 16
    Privacy Respecting

    Privacy Respecting

    Curated List of Privacy Respecting Services and Software

    ...It is organized as a reference guide for users who want alternatives to mainstream platforms that collect more personal data than necessary. The repository covers categories such as search engines, social networks, messengers, cloud storage, VPNs, hosting, email, operating systems, browsers, video sharing, AI assistants, and maps. It also links to related security checklists and privacy education projects. The list is useful for people comparing privacy-conscious tools before changing their everyday digital habits. Its main value is centralizing practical options for reducing tracking, improving data control, and finding more respectful software ecosystems.
    Downloads: 0 This Week
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  • 17
    Unikraft

    Unikraft

    A next-generation cloud native kernel designed to unlock performance

    ...Unikraft boasts a modular design approach, allowing developers to include only necessary components, resulting in leaner and more efficient operating-system configurations. Unikraft is fully modular, with a constantly growing ecosystem with many popular open-source operating systems and application libraries like musl and openssl available for use, allowing you to pick and choose exactly what you need for your target application.
    Downloads: 0 This Week
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  • 18
    CPU Features

    CPU Features

    A cross platform C99 library to get cpu features at runtime

    cpu_features is a cross-platform C library developed by Google that provides a simple and efficient way to detect available CPU features at runtime across a wide range of architectures and operating systems. It enables applications to determine which instruction sets (such as SSE, AVX, or NEON) are supported on the host machine, allowing developers to optimize performance dynamically. The library supports numerous architectures—including x86, ARM, AArch64, MIPS, POWER, RISCV, LoongArch, and s390x—and works on major operating systems like Linux, macOS, Windows, FreeBSD, Android, and iOS. ...
    Downloads: 5 This Week
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  • 19
    Cap CAPTCHA

    Cap CAPTCHA

    The privacy-first, self-hosted CAPTCHA for the modern web

    Cap is a privacy-first, self-hosted CAPTCHA system designed as a modern alternative to traditional third-party verification services. It replaces invasive tracking-based CAPTCHA solutions with a lightweight approach based on proof-of-work and client-side instrumentation. The system can be deployed independently, giving developers full control over user data and verification processes.
    Downloads: 9 This Week
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  • 20
    Calibre-Web Automated

    Calibre-Web Automated

    Calibre-Web but Automated and with tons of New Features

    Calibre-Web-Automated (CWA) is an all-in-one, self-hosted solution for managing an ebook library that combines the modern, lightweight web UI style of Calibre-Web with the deeper tooling and conversion capabilities associated with Calibre. The goal is to reduce the common “two-service” setup where users run Calibre-Web for browsing and Calibre separately for conversions, metadata fixes, and automation, by packaging those workflows together in a single system. CWA keeps the familiar strengths...
    Downloads: 13 This Week
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  • 21
    Hoplite

    Hoplite

    Boilerplate-free Kotlin config library for loading configuration files

    Hoplite is a Kotlin library for loading configuration files into typesafe classes in a boilerplate-free way. Define your config using Kotlin data classes, and at startup Hoplite will read from one or more config files, mapping the values in those files into your config classes. Any missing values, or values that cannot be converted into the required type will cause the config to fail with detailed error messages.
    Downloads: 5 This Week
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  • 22
    LiteBox

    LiteBox

    A security-focused library OS supporting kernel execution

    LiteBox is a security-focused “library OS” sandboxing project that aims to shrink the interface between an application and its host environment to reduce attack surface. Instead of relying solely on broad OS-level permissions, it focuses on isolating workloads by tightly controlling the boundary where code interacts with host services and system resources.
    Downloads: 0 This Week
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  • 23
    spdlog

    spdlog

    Fast C++ logging library

    spdlog is a header only library. Just copy the files under include to your build tree and use a C++11 compiler. It provides a python like formatting API using the bundled fmt lib. spdlog takes the "include what you need" approach, your code should include the features that actually needed. For example, if you only need rotating logger, you need to include "spdlog/sinks/rotating_file_sink.h". spdlog provides various log targets, which are, rotating log files, daily log files, console logging...
    Downloads: 2 This Week
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  • 24
    libusb

    libusb

    A cross-platform library to access USB devices

    libusb is a library for USB device access from Linux, macOS, Windows, OpenBSD/NetBSD, Haiku and Solaris userspace. It is written in C (Haiku backend in C++) and licensed under the GNU Lesser General Public License version 2.1 or, at your option, any later version. libusb is a C library that provides generic access to USB devices. It is intended to be used by developers to facilitate the production of applications that communicate with USB hardware. Using a single cross-platform API, it...
    Downloads: 22 This Week
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  • 25
    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: 2 This Week
    Last Update:
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