Open-source alternatives to Borderless Gaming

This repository is a collection of C++ desktop application examples and reference samples for building native software using the Win32 API. It serves as a programming guide through practical source code implementations of classic Windows desktop functionality and system-level API calls. The project provides reference implementations for Windows desktop development and Windows Server application development. These samples demonstrate how to integrate the Windows API to implement specific system functionalities and low-level features. The codebase covers native Windows programming using C++ an

This project is a collection of toolsets for executing visual effects, simulating operating system-level input, and manipulating graphical user interface window states. It functions as a Windows API automation tool and GUI manipulator designed to programmatically alter the behavior and appearance of active application windows. The toolkit features a desktop visual effects engine capable of applying rotational animations, hue shifts, and view transformations to the display. It includes an input simulator that can spawn multiple independent mouse cursors and automate user interactions across th

WinDynamicDesktop is a Windows desktop wallpaper manager and time-based wallpaper scheduler. It functions as a customizable theme engine that automatically rotates background images throughout the day to match the current time. The tool is a scriptable desktop background utility, allowing the execution of external scripts to add custom logic to the rotation behavior. It supports the import of custom theme files and compressed archives to manage community-created visual sets. The application covers the management of a theme library, including the ability to create, organize, and remove custom

go-astilectron is a cross-platform GUI framework and binding that enables the creation of desktop software by combining a compiled Go backend with an Electron frontend. It functions as an inter-process communication bridge, utilizing an asynchronous messaging system to exchange JSON events and synchronize state between the Go process and the JavaScript user interface. The project provides a native desktop API wrapper to orchestrate system-level features from the backend. This includes the ability to manage browser windows, construct native application menus, and control system tray icons and

win11React is a web-based emulation of a modern desktop operating system environment built using React. It replicates the visual design, taskbar, and start menu of Windows 11 to create a browser-hosted workspace. The system features a customizable theme that allows users to apply custom backgrounds and styles to the workstation. Access to the environment is controlled through a simulated startup sequence and lock screen for session security management. The interface includes a desktop shell with draggable and resizable application windows and integrated system applications such as a terminal

TaskbarX is a Windows taskbar customizer and UI enhancement tool designed to modify the appearance and layout of the desktop shell. It functions as a styling utility that centers taskbar icons and applies visual effects to the system interface. The project provides specific controls for taskbar visual styling, including the application of transparency, blur, acrylic effects, custom colors, and rounded corners. It features precise icon centering across multiple monitors with adjustable offsets and utilizes transition animations to manage icon movement. Beyond styling, the tool allows for the

ImmersionBar is a set of control utilities for Android designed to manage immersive display modes, notch-aware layouts, virtual keyboard visibility, and system bar aesthetics. It provides a centralized way to maximize screen real estate by toggling full-screen displays and controlling the behavior of status and navigation bars. The library distinguishes itself through specialized adaptation for hardware cutouts and notches, calculating precise offsets and window insets to prevent user interface elements from being obscured. It also includes a dedicated handler for soft keyboard management, wh

ToaruOS is an independent operating system built from the ground up without external dependencies. It features a custom x86-64 kernel that supports symmetric multiprocessing and paging, paired with a graphical windowing system and a dedicated bytecode interpreter for application logic. The system distinguishes itself by integrating an embedded Python environment for system-level development and a custom graphical interface that handles its own window composition and text rendering. It includes a compatibility layer for third-party application support and a system package manager for handling

StatusBarUtil is an Android library that provides comprehensive control over the status bar's appearance, enabling developers to customize its color, transparency, and icon style. The library handles the underlying complexity of Android window flag manipulation and API-level conditional logic, applying the correct styling technique based on the device's Android version for broad compatibility. The library distinguishes itself through specialized integrations with common Android UI patterns. It coordinates status bar transparency with DrawerLayout's fitsSystemWindows flag for seamless drawer o

SFML is a cross-platform multimedia framework for C++ designed for creating 2D graphics, audio, and network applications. It functions as a unified set of libraries that provides a 2D graphics rendering engine, an audio processing library, a network socket library, and a cross-platform window manager. The framework allows for the development of interactive software by coordinating real-time 2D graphics rendering, audio playback, and user input handling. It provides a standardized interface for creating and controlling application windows across multiple operating systems. Its capability surf

This is a framework for building desktop applications that reside in the system tray using Electron. It functions as a system tray integration library and window manager, providing the necessary components to handle native tray icons, tooltips, and the associated window lifecycles for menubar applications. The framework coordinates native system tray interactions with web-based user interfaces. It maps application commands to the operating system's native menu system and orchestrates the visibility and positioning of child windows relative to tray icon click events. The project covers native

Mjolnir is a macOS automation framework and extensible scripting engine. It provides a system for creating custom productivity workflows, managing application states, and controlling the macOS desktop interface programmatically. The project functions as a global hotkey manager that binds keyboard shortcuts to trigger automated scripts across the operating system. It includes a macOS application controller to inspect active windows and manage system-wide user interface interactions. The environment supports extensibility through a pluggable package management system, allowing for the installa

Nannou is a creative coding framework for Rust designed for building interactive visual and audio sketches. It provides a loop-based API with hardware-accelerated 2D and 3D rendering, serving as a toolkit for generative art production and multimedia installation design. The framework is distinguished by its comprehensive hardware communication interface, which bridges software with physical devices via MIDI, OSC, DMX, serial, and laser DAC protocols. It also includes specialized projection mapping tools for warping visual output to fit non-standard physical surfaces and a dedicated GPU shader

OS.js is a browser-based desktop environment built entirely with JavaScript that runs a full graphical interface with windows, file management, and applications inside any modern web browser without requiring local software installation. It provides a web desktop platform that manages application windows as DOM elements with z-ordering, resizing, and event routing, while offering an abstracted virtual filesystem layer that unifies access across multiple storage backends through a common read/write interface. The platform connects to remote servers and desktops using SSH, VNC, or Xpra protocol

Hydra is a scriptable productivity platform for macOS that functions as a global hotkey manager, window manager, and automation tool. It allows users to extend system functionality by executing scripts and custom functions to automate repetitive operating system tasks. The system enables the binding of specific keyboard shortcuts to trigger scripts from any active application. It provides capabilities to inspect and modify the state of running application windows to organize the desktop workspace. The platform supports a module-based extension model, allowing for the installation of third-pa

screenfull.js is a JavaScript wrapper for the Fullscreen API that provides a unified interface for toggling, monitoring, and verifying the fullscreen state of web page elements. It functions as a cross-browser utility to manage how elements expand to fill the display. The library handles browser-specific differences by normalizing inconsistent vendor methods into a single interface. This ensures consistent behavior when implementing immersive web experiences or interactive media playback across different web browsers. The toolset covers fullscreen management, including capabilities for enter

Anbox is an Android container environment and runtime designed to execute Android applications on Linux desktops. It utilizes a container-based system to run the Android operating system without the overhead associated with traditional hardware virtualization. The system features a hardware abstraction layer that routes hardware access and sensor data through a host daemon to provide accelerated rendering. It integrates with the Linux desktop by mapping individual Android application layers to separate windows, allowing apps to function as distinct desktop applications. The project supports

noMeiryoUI is a Windows system utility designed to customize operating system fonts. It serves as a registry editor and personalization tool that allows users to override standard interface typography across different versions of Windows. The tool modifies the default fonts used in menus, title bars, and message boxes to improve readability and visual consistency. It achieves this by writing specific font mappings and values directly to the Windows Registry and using system calls to refresh the user interface without requiring a reboot. The application provides global typography control for

WindowsInternals is a CPU stress testing tool and a research project designed to illustrate the underlying mechanisms of the Windows kernel and system architecture. It functions as an educational resource for studying how the Windows operating system manages internal processes and hardware resources. The project focuses on Windows OS research and system resource profiling. It provides a collection of source code and examples used to reveal the internal workings of the operating system and monitor how it handles high processing demands to identify stability issues and performance bottlenecks.

MapCN is a React component library that wraps MapLibre GL into declarative, composable building blocks for interactive maps. It provides a set of small, reusable components for rendering maps, placing markers, drawing routes, and clustering points, all managed through React hooks, context, and refs for state and lifecycle control. The library distinguishes itself by offering a complete set of map features as individual React components that automatically adapt to light and dark themes. It includes components for interactive map rendering with zero configuration, marker placement with popups a

RPA-Python is a robotic process automation framework for automating repetitive tasks across web browsers, desktop applications, and operating systems using Python scripts. It functions as a desktop process automator and browser automation tool designed to reduce manual labor and human error in digital workflows. The project includes an OCR screen data extractor for capturing snapshots and extracting text from images via optical character recognition. It also provides a system command wrapper for executing shell commands and managing local file operations, such as downloading files from URLs a

Tai is a desktop activity tracker and self-hosted productivity monitor designed to record the amount of time spent on specific software applications and websites. It functions as a software usage monitor and website browsing logger to analyze digital time distribution. The system provides capabilities for digital productivity analysis, personal time tracking, and screen time management. It can also be used for employee activity monitoring to audit software engagement and workflows. The project handles monitoring and observability through time-series usage logging and local persistence storag

Carlo is a Node.js web rendering framework and desktop application bundler. It functions as a server-side browser controller and headless automation bridge that uses a local browser instance as the primary user interface for Node.js applications. The project distinguishes itself by providing a bidirectional bridge for cross-environment JavaScript integration, allowing server-side functions to be exposed to the browser window object and enabling the execution of page-context code from the server. It includes capabilities for packaging applications into standalone desktop executables, complete

Greenshot is a Windows screen capture tool and productivity suite designed to capture screen regions, specific windows, or full displays as image files. It functions as an image annotation editor and external image uploader, allowing users to process visual assets before saving or sharing them. The project emphasizes automated workflows through the use of global hotkeys and command-line routing to send captured files to external applications. It supports high-resolution displays with specific scaling for high DPI screens to ensure visual consistency. The software provides capabilities for im

raygui is a C graphics interface toolkit and immediate mode GUI library used for building interactive utility panels. It functions as a themed UI framework that renders interface controls instantly based on application logic without maintaining persistent state. The toolkit includes a visual layout designer for managing icon sets and defining styles. It supports the application of custom themes and font data through binary files or embedded headers to modify the appearance of the interface. The library provides standard interface controls such as buttons, sliders, and color pickers, along wi

Ditto is a Windows clipboard manager and extension that functions as a local history database. It records a sequence of copied text and images to prevent data loss when the clipboard is overwritten. The tool allows for the retrieval and re-insertion of previously copied items and text snippets into active application windows. It monitors the operating system for clipboard change events to automatically capture and store new data. The system utilizes a local database for persistence and indexing, enabling the storage of formatted text and binary image data across sessions.