Open-source alternatives to AltSnap

Material Shell is a tiling window manager and Linux desktop environment that replaces traditional window management with a grid-based organizer. It functions as a spatial layout engine that automatically arranges application windows into non-overlapping grids to maximize screen space. The system acts as a desktop session manager, recording and restoring window positions and workspace assignments to preserve the exact state of a previous session after a restart. It employs a coordinate-based layout engine to map applications to specific rows and cells for consistent placement. The project cov

UnnaturalScrollWheels is a macOS input peripheral tool and accessibility utility designed to reverse the scroll direction of physical mouse wheels. It functions as a system-level utility that modifies how the operating system interprets scrolling hardware inputs. The project decouples mouse and trackpad movement directions, allowing users to invert the scrolling behavior of a physical mouse wheel without altering the global system settings or affecting trackpad behavior. The utility manages this through low-level system hooks and event interceptors that distinguish between scroll wheel and t

SharpKeys is a Windows registry keyboard remapper and input customizer. It functions as a tool for changing keyboard key assignments by modifying the Windows registry scancode map. The utility includes a keyboard key identifier to detect the internal scan code of a pressed key, which facilitates accurate remapping and identification of physical keys. The software covers keyboard input identification and custom keyboard layout setup, allowing users to swap or disable keyboard inputs by managing the Windows registry.

Phoenix is a macOS workspace automator and window manager that uses a JavaScript scripting engine to control system-level behaviors. It functions as an AppleScript automation bridge, allowing users to programmatically manipulate application states, window geometry, and desktop interactions. The project enables the creation of custom workflows by binding keyboard shortcuts to JavaScript functions. This allows for the automation of complex system actions, such as organizing application layouts across multiple screens and managing virtual spaces. Its capability surface covers window and applica

Karabiner is a system-level keyboard remapper and input modifier for macOS. It functions as a kernel-level interceptor that modifies raw hardware events before they reach the operating system, utilizing a virtual hardware device to inject synthesized keyboard and mouse actions. The project distinguishes itself as a context-aware input manager, applying modification rules dynamically based on the active application, connected hardware, or current input source. It serves as a keyboard macro engine capable of automating multi-key shortcuts and conditional behaviors. Its broader capabilities inc

Solaar is a device management tool and configuration suite for Logitech wireless peripherals on Linux. It serves as an input peripheral monitor that tracks battery levels and connection link quality via a system tray application, while providing a receiver manager for pairing and unpairing wireless devices with proprietary USB receivers. The project features an input device automation engine that maps hardware events and mouse gestures to simulated keyboard inputs or system commands. This allows for the creation of custom rules that trigger actions based on device notifications or specific wi

Loop is a desktop window manager and layout automator designed to control application window positioning and resizing. It utilizes custom keyboard shortcuts and scripted sequences to organize workspace layouts and automate window movements. The tool features a radial window arranger that moves and scales windows using a directional cursor interface and radial coordinate inputs triggered by modifier keys. It also includes an edge window stashing utility that hides windows beyond display boundaries and restores them via hover events to optimize screen real estate. Additional capabilities inclu

Glazewm is a tiling window manager and desktop automation framework designed to organize application windows into non-overlapping layouts. It functions as a keyboard-driven controller, allowing users to manage window focus, workspace navigation, and layout configurations entirely through custom keybindings. By intercepting system-level events, the software overrides default window placement and behavior to maximize screen space and maintain a structured workspace. The project distinguishes itself through a highly configurable environment that supports complex multi-monitor setups and dynamic

Hammerspoon is a programmable automation engine for macOS that enables deep system-level control through a Lua scripting environment. By bridging high-level scripts with native Objective-C APIs, it allows users to interact with the operating system's accessibility tree, intercept hardware input streams, and manage the lifecycle of running applications. The project distinguishes itself through an event-driven architecture that registers asynchronous hooks for system notifications and hardware events. This allows for real-time automation, such as remapping keyboard and mouse inputs, managing wi

yabai is a tiling window manager and workspace orchestrator for macOS. It uses a binary space partitioning algorithm to automatically arrange application windows into non-overlapping rectangular regions to maximize screen real estate. The project provides a command line interface for controlling windows, displays, and virtual spaces, enabling the creation of custom desktop automation scripts. It includes capabilities for managing virtual desktops and disabling system animations to increase navigation speed. The system also supports mouse-based window focus, which automatically shifts the act

mini.nvim is a comprehensive library of independent modules designed to extend Neovim with a wide array of navigation, user interface, and text manipulation tools. It serves as a modular plugin collection, a UI toolkit for creating custom statuslines and notifications, and a package manager for installing and pinning external plugins from Git. The project provides a specialized fuzzy picker framework for filtering files and symbols, an LSP completion engine with interactive snippet expansion, and a dedicated plugin test framework that uses headless editor instances and remote procedure calls

Keycastr is a system-level utility for macOS that captures and displays keyboard and mouse interactions as visual overlays on the desktop. By registering global event taps within the operating system, it monitors input actions in real time and renders them through transparent, non-interactive windows that float above other active applications. The application distinguishes itself through a plugin-based architecture that allows for the integration of custom modules to define how input events are rendered. Users can manage the lifecycle and positioning of these visual elements through a native

chadwm is a tiling window manager for X11 written in C. It organizes application windows using dynamic tiling layouts and automated arrangement patterns to manage screen real estate. The project utilizes a patch-based extension system to integrate specific behaviors, such as Fibonacci tiling and vanity gaps. It employs a tagging system for workspace organization, allowing windows to be segmented into virtual desktops. The environment includes a modular widget framework for monitoring system metrics and hardware controls, alongside centralized configuration files for managing visual themes an

Awesome is a programmable tiling window manager for the X11 Window System. It functions as a dynamic window manager that automatically arranges application windows into non-overlapping tiles based on predefined layout rules to maximize screen space. The project provides a scriptable desktop environment where system behaviors and layouts are defined through an embedded Lua interpreter. This allows for the creation of a personalized interface and a keyboard-driven workflow for managing application windows. The system covers dynamic window layout management and the configuration of system behav

Alt-tab-macos is a productivity utility designed to replace the default application switcher on macOS. It functions as a background application that aggregates active windows across all monitors and virtual desktops into a single, keyboard-driven interface, allowing users to navigate between applications, minimized windows, and hidden processes. The tool distinguishes itself by providing granular control over window states and visibility, enabling users to close, minimize, or toggle fullscreen modes directly from the switcher. It supports advanced navigation through customizable keyboard shor

YASB is a customizable status bar framework and desktop shell component for Windows. It provides a toolkit for building personalized information bars using a modular class-based widget architecture and CSS-based styling. The framework distinguishes itself through deep integration with Windows tiling window managers, allowing users to display active workspaces, tiling layouts, and window focus states. It also features automated visual consistency by generating system color schemes based on the current desktop wallpaper. The project covers a wide range of capabilities, including real-time syst

This project is a cross-platform input interception library and global keyboard event simulator for Windows and Linux. It provides a programmatic interface to monitor global keyboard events, simulate hardware input, and block system events to create custom hotkeys and shortcuts. The tool functions as a keyboard macro automation utility and a text expansion engine. It can record keystroke sequences and replay them with precise timing, or detect specific typed character sequences and replace them with predefined strings using simulated backspaces. The library covers a broad range of input cont

Neutralinojs is a lightweight cross-platform desktop application framework that allows developers to build native applications using web technologies and a C++ backend. It serves as a native system API bridge, enabling JavaScript frontend code to execute system commands and manage files across Windows, macOS, and Linux. The project distinguishes itself as a portable runtime that renders interfaces via the system's built-in webview instead of bundling a full browser engine. This approach enables the packaging of web assets into small, standalone executable binaries. The framework provides com

AutoHotkey is a Windows automation scripting language and task automator. It serves as a keyboard macro engine and custom hotkey manager designed to map specific key combinations to scripted actions. The project provides a domain-specific language for automating repetitive tasks and operating system functions. It enables the creation of keyboard shortcuts and macros to replace manual input and streamline digital workflows on Windows. The system covers window and process management, virtual input simulation, and the interception of keyboard and mouse input via operating system hooks. It furth

This project is a GNOME Shell extension that provides a unified taskbar by combining the application dash and system tray into a single panel. It functions as a JavaScript shell plugin that modifies the desktop layout to support traditional taskbar workflows within the GNOME environment. The extension includes a window management system that allows users to isolate running applications by workspace or monitor, control window grouping, and view live previews of open windows via hover events. Users can define specific click behaviors for application icons and launch favorite applications using

This project is a cross-platform UI framework and native desktop GUI library. It provides a unified set of instructions to render native windows, forms, and layouts across different operating systems by mapping high-level instructions to the native widgets and controls of the host environment. The toolkit includes a vector graphics engine for rendering custom shapes, gradients, and high-density images using brushes and matrices. It also serves as a native dialog provider for system-level operations such as file path selection and message box alerts. The library covers a broad range of GUI co

Cinnamon is a desktop environment interface for Linux operating systems. It provides a visual layout and user interface for managing windows and applications, focusing on desktop workflow management. The project enables Linux GUI customization, allowing the look and feel of the environment to be modified. It includes a window management system to handle the placement and behavior of application windows within the workspace. The environment utilizes a JavaScript-based shell and a modular applet architecture for extensibility, while using CSS for component styling. The interface is built with

Amethyst is a tiling window manager for macOS designed to automate the arrangement of application windows. It functions as a productivity utility that organizes windows into non-overlapping layouts, allowing users to manage their desktop environment through keyboard-driven controls rather than manual mouse interaction. The application distinguishes itself by providing a state-machine engine that calculates window geometry based on user-defined tiling patterns. It maintains an accurate representation of the desktop by monitoring system-level notifications for window events, enabling it to auto

OrgChart is a JavaScript hierarchy visualization library and web-based editor used to render interactive organizational charts from JSON or HTML data sources. It functions as a JSON-driven tree mapper and interactive component for visualizing, exploring, and editing complex hierarchical structures. The library enables the real-time modification of parent-child and sibling relationships through drag-and-drop reorganization and dynamic node editing. It distinguishes itself by providing a visual editor for programmatically altering tree structures and managing organizational maps. The system in

gridstack.js is a JavaScript grid layout library and responsive dashboard framework used to create interactive interfaces with draggable and resizable elements. It functions as a drag-and-drop layout manager and a JSON-serializable layout engine, allowing user-defined interface states to be persisted and restored. The library distinguishes itself through a touch-enabled grid interface and a responsive system that automatically adjusts item placement based on screen breakpoints. It features a collision-based layout engine that manages overlapping coordinates to shift or swap elements, alongsid

react-big-calendar is a React calendar component used for rendering schedules and time-based events within web applications. It functions as a customizable event scheduler and JavaScript date visualization library that maps scheduled activities to a time-grid layout. The project is a date-agnostic scheduling interface, utilizing a pluggable adapter to support various third-party JavaScript date libraries. It allows for the replacement of internal calendar elements with custom React components and employs SASS variables for visual styling. The library covers interactive event scheduling and t

libinput-gestures is a Linux input event daemon and touchpad gesture mapper that translates libinput events into shell commands or keyboard shortcuts. It functions as a background process that monitors raw input signals to automate workflows and execute system actions based on a user-defined configuration file. The tool allows for the mapping of multi-finger swipes and hold gestures to specific terminal commands or desktop workspace navigation. It differentiates between actions by filtering for finger counts, swipe directions, and the duration of hold gestures. The system integrates with sys