Open-source alternatives to FullPageOS

ImmortalWrt is an embedded network operating system for routers and network hardware. Built as a Linux distribution based on OpenWrt, it functions as a firmware builder and operating system designed to manage routing, switching, and firewalling. The project extends the OpenWrt base by providing additional drivers and pre-configured software packages. It includes a toolset for compiling tailored system images from source to match specific hardware architectures and chipsets. The system features a web-based management interface for device administration and a modular package manager for instal

This is the official documentation repository for Raspberry Pi hardware and software. It covers the complete range of Raspberry Pi single-board computers, the RP-series microcontrollers, and the Raspberry Pi operating system. The documentation provides reference material for setting up devices, configuring hardware, and using the system for tasks including AI inference, camera and video capture, embedded development, and remote access. The documentation covers the full boot chain from the GPU firmware and EEPROM bootloader through to kernel loading, with detailed guidance on boot configuratio

Docker-Android runs a full Android emulator inside a Docker container, enabling mobile app testing and automation without requiring a physical device. The emulator uses QEMU-based virtualization with optional KVM acceleration for hardware-backed performance, and supports nested virtualization on cloud VMs from providers like AWS, GCP, and Azure for environments without direct hardware acceleration. The container exposes the Android Debug Bridge over TCP/IP, allowing host-side tools to connect to the emulator as if it were a local device. It provides browser-based interaction with the emulator

This project is a centralized management interface designed for the optimization, configuration, and maintenance of Windows desktop operating systems. It provides a comprehensive suite of tools for system debloating, automated software deployment, and deep-level performance tuning, allowing users to modify low-level settings that are otherwise inaccessible through standard interfaces. The platform distinguishes itself through its ability to create personalized, custom installation images, enabling users to remove unwanted components, bypass hardware checks, and pre-configure system defaults b

This repository contains the complete source code for a Unix-like operating system, including the monolithic kernel and base system utilities. It provides a BSD-derived system core and a full build toolchain required to compile a functional operating system for servers, desktops, or embedded devices. The system features a Linux binary compatibility layer that enables the execution and emulation of Linux binaries on a non-Linux platform. It also includes a modular kernel configuration process to tailor hardware support and system features during compilation. The project covers broad system ca

Talos is a minimal, immutable Linux distribution designed specifically for deploying and managing Kubernetes clusters. It functions as an API-driven infrastructure manager that replaces traditional shell access with a declarative gRPC interface to control operating system state and configuration. The system is distinguished by its use of a read-only root filesystem and a security-hardened kernel, which removes standard GNU utilities to reduce the attack surface. It ensures environment consistency by distributing the operating system as versioned, signed images and utilizes TPM-backed verified

Kustomize is a declarative configuration manager and manifest customizer for Kubernetes. It functions as a patching engine that transforms base YAML files into environment-specific configurations through overlays and composition, allowing for the generation of complex deployments without modifying original source files. The tool distinguishes itself by using an overlay-based resource composition model to layer environment overrides on top of shared bases. It employs strategic merge patching and recursive base resolution to flatten inherited configurations into a final output set. The project

xhyve is a macOS virtual machine manager and virtualization tool that leverages the native hypervisor framework to run guest operating systems in userspace. It provides a virtualization layer for executing guest systems with hardware acceleration. The project features a hardware pass-through hypervisor that maps physical host devices directly to guest virtual machines to increase performance. It includes a remote framebuffer server and VNC access to enable interaction with the guest display and input devices from external devices. The tool covers virtual hardware emulation for storage, netwo

Azure Linux is a general purpose Linux operating system optimized for virtual machines and containers within the Azure cloud environment. It serves as a hardened cloud operating system designed to reduce the attack surface for deployments across virtualized cloud environments and bare-metal platforms. The project utilizes a declarative Linux build system that employs configuration overlays to modify distribution packages. This approach allows for the customization of system components and the generation of package specifications without forking the base upstream source. The distribution cove

Bazzite is an immutable, atomic-image-based operating system designed for gaming performance and handheld hardware. It utilizes a read-only root filesystem and versioned images to provide atomic updates and instant system rollbacks, ensuring a stable core environment. The system is distinguished by its deep optimization for portable gaming devices, featuring dedicated handheld hardware management for CPU undervolting, fan control, and display refresh rate overclocking. It includes a specialized gaming mode that boots directly into a console-like interface with integrated input mapping and a t

ua-parser-js is a JavaScript library used to extract browser, operating system, and device information from raw user agent strings and client hints. It functions as a cross-platform tool that runs in both web browsers and Node.js server environments to identify web visitors. The library integrates modern HTTP client hint headers to retrieve hardware and browser details with higher accuracy than standard string parsing. It also includes a specialized detector to identify automated AI agents, web crawlers, and bots to distinguish human traffic from automated scripts. The project covers hardwar

This project is a cross-platform mobile device information library designed to retrieve hardware, software, and network specifications from iOS and Android devices. It serves as a tool for accessing unique device identifiers, hardware models, and processor architectures to distinguish individual mobile devices. The library provides specialized capabilities for mobile hardware identification and operating system metadata retrieval, including build numbers and API levels. It also functions as a system state monitor for real-time tracking of battery levels, charging status, and network connectiv

WSABuilds is a management framework designed to deploy and customize virtualized mobile runtime environments on desktop operating systems. It provides a comprehensive suite of tools for building, installing, and maintaining these environments, enabling the native execution of mobile applications alongside standard desktop software. The project distinguishes itself through its focus on deep system integration and lifecycle management. It allows users to generate tailored virtual environment packages by injecting administrative tools, service components, and specific configurations prior to dep

WhatWeb is a web application fingerprinting tool that identifies the technology stack powering a website by scanning HTTP responses and page content. It matches responses against a library of over 1800 signatures to detect CMS platforms, JavaScript libraries, web servers, embedded devices, and third-party addons, while also extracting technical metadata such as software versions, user accounts, and module names. The tool operates through a plugin-based detection framework that supports both passive and aggressive scanning modes. Passive plugins analyze existing HTTP headers and page content w

oapi-codegen is a suite of generators that converts OpenAPI 3 specifications into type-safe Go client libraries, server boilerplate, and data models. It provides tools for producing production-ready HTTP clients and server-side interfaces to ensure that Go implementations remain compliant with defined API contracts. The tool supports server generation across various web frameworks and allows for extensive customization via template overrides, specification overlays, and custom type definition mappings. It handles complex API requirements through external reference resolution to organize code

OSHI is a Java system information library and cross-platform hardware monitor used to extract real-time performance data and specifications from processors, memory, disks, network interfaces, and system firmware. It serves as an operating system metadata provider, querying system boot times, uptime, and detailed version information across various desktop and server distributions. The library integrates with observability pipelines by exporting system and process metrics to external monitoring backends using the Micrometer standard. It also supports connecting to vendor libraries to extract ad

Steamtinkerlaunch is a game launch wrapper and Wine prefix orchestrator designed to manage the execution environment of games on Linux. It functions as a compatibility layer manager that downloads and organizes custom Wine and Proton versions, while creating isolated filesystem hierarchies and registry hives to prevent configuration conflicts between games. The project specializes in automating the installation of mod managers and script extenders within these isolated environments. It acts as a post-processing shader injector, managing the installation and dynamic library overrides required

Spinnaker is a multi-cloud continuous delivery platform designed to automate software releases and deployment pipelines across various public cloud providers and Kubernetes clusters. It functions as a cloud deployment orchestrator and infrastructure delivery tool, coordinating the promotion of software artifacts through multiple environments using visual workflows and directed acyclic graphs. The platform distinguishes itself with a dedicated canary analysis engine that compares performance metrics between new and stable software versions to automate release decisions. It utilizes cloud-agnos

NanoKVM is a KVM-over-IP device that provides remote keyboard, video, and mouse control over IP networks for headless server management. It functions as remote server management hardware enabling out-of-band control of a computer's power, BIOS, and operating system over a network, while also serving as a RISC-V single-board computer for embedded and edge applications. The device additionally operates as an AI edge inference device running neural network models locally for real-time image recognition and object detection, and integrates Tailscale as a VPN appliance for secure peer-to-peer conne

This project is a collection of custom boot themes, branded image assets, and script-driven animations designed for the Plymouth boot manager. It provides a variety of Linux boot splash animations and distribution logos that replace standard system loading visuals. The collection includes animations ported from various mobile operating systems to customize the visual appearance of the system startup screen. It allows for system branding implementation by rendering specific distribution logos and custom graphics during the boot sequence. The project covers the management of startup themes thr

Unikraft is a modular library operating system and unikernel framework designed to compile applications into minimal, bootable virtual machine images. It serves as an OCI-compliant image builder and a cloud-native hypervisor target, enabling the creation of specialized runtimes that include only the specific drivers and libraries required by a single application. The system features a Linux compatibility layer that maps standard API calls and POSIX standards to unikernel libraries, allowing unmodified binaries to run without a full general-purpose kernel. It distinguishes itself by allowing c

Brunch is a boot framework and hardware adaptation layer designed to run ChromeOS on non-native x86_64 PCs. It utilizes a custom EFI bootloader and kernel injection to enable the operating system to function on Intel and AMD processors not originally supported by official images. The framework distinguishes itself by transforming official recovery images into generic bootable versions through the use of custom kernels and EFI partition bootstrapping. It allows for the importation of security keys into system firmware to support secure boot and provides tools to toggle hardware patches and fea

IronOS is a low-level soldering iron firmware and thermal control system. It serves as a comprehensive embedded UI framework and hardware controller designed to manage heating elements, temperature regulation, and power delivery for soldering tools. The project distinguishes itself through a specialized USB-PD power controller that negotiates standards like USB-PD EPR and Quick Charge to maximize available wattage. It also features a wireless BLE hardware controller for monitoring real-time telemetry and modifying system parameters from a remote application. The system covers broad capabilit

jetson-inference is a set of libraries and tools for executing optimized deep learning models on embedded GPU hardware. Its primary purpose is to enable real-time computer vision and AI inference at the edge with low latency and high throughput. The project distinguishes itself through high-performance streaming analytics and the ability to execute concurrent AI pipelines on auto-grade silicon. It provides specialized support for multi-sensor stream processing, utilizing zero-copy data transport to load camera frames directly into GPU memory. The codebase covers a broad surface of capabiliti