Open-source alternatives to Calligraphy

Memory safer implementation of android.os.Handler

MacType is a system-level utility that replaces the default Windows font rasterization engine. It functions as a background service that intercepts and modifies font rendering calls to provide custom anti-aliasing, weight, and contrast adjustments for desktop applications. The software operates by injecting custom libraries into running processes to override standard text layout and graphics routines. It utilizes a shared memory space to apply configuration updates across multiple processes instantly, allowing for granular control over visual parameters such as gamma, hinting, and font substi

This project is a text-to-handwriting image generator that transforms digital text into images simulating human writing. It functions as a suite of tools for handwriting image generation, physical paper simulation, and PDF document exportation. The system includes a custom font rendering engine that allows users to upload personal handwriting font files to replicate specific individual writing styles. A digital paper simulator provides tools to adjust margins and background images to mimic the appearance of physical paper. The tool covers the conversion of typed text into simulated handwritt

Monocraft is a programming font customization project designed to apply a game-inspired typographic theme to development environments. It renders text using specialized monospaced typefaces that recreate the visual style of game user interfaces. The project focuses on rendering a galactic alphabet by mapping specific Unicode codepoints to unique glyphs. It utilizes OpenType ligature substitution to combine character sequences into single glyphs for programming operators and arrows. The system ensures strict vertical alignment through a monospace grid and handles character rendering via speci

This project is a neobrutalist UI component library and accessible design system for React. It provides a collection of high-contrast web elements characterized by bold colors, thick borders, and a raw aesthetic. The library distinguishes itself by combining a data visualization toolkit—featuring styled charts and responsive tables—with a comprehensive set of interactive components. It balances this specific visual style with accessibility standards for keyboard navigation and screen readers. The component surface covers a wide range of functional areas, including complex form controls with

AndroidCommon is a comprehensive utility library designed to provide reusable infrastructure and architectural patterns for Android application development. It organizes common helper functions into stateless modules, offering consistent access to system resources, data parsing logic, and core infrastructure abstractions. The framework distinguishes itself by providing specialized components for managing background tasks and complex user interface interactions. It includes utilities for coordinating background file transfers through the system download manager and executing shell commands to

This project is a comprehensive collection of web development reference guides and technical cheat sheets. It provides a curated set of markdown-based documentation designed to help developers quickly locate syntax patterns and API examples for common web technologies and programming languages. The repository serves as a specialized reference library covering several distinct technical domains. It includes extensive guides for CSS, focusing on selectors, Flexbox, Grid, and responsive layout properties, as well as a DevOps command reference for Docker, Kubernetes, AWS, Ansible, and general she

ReactXP is a framework for building cross-platform mobile and web applications from a single codebase using React. It provides a declarative interface that maps to different native implementation sets depending on the target environment. The project enables consistent visual experiences across operating systems through a flexbox-based layout engine, a virtual stack for navigation management, and a unified native-bridge API for accessing system services. It distinguishes itself with specialized capabilities for declarative animation orchestration, platform-specific logic resolution, and an aut

This project is an integration package that provides an administrative dashboard template for applications built with the Laravel framework. It functions as a visual layer and theme to establish a consistent layout for internal management tools. The package includes a navigation manager that allows the layout and links of sidebars and menus to be controlled from a single configuration source. It also provides tools to style authentication screens, such as login and registration pages, to ensure they match the overall aesthetic of the administration interface. The system covers administrative

ModernWpf is a UI framework and control toolkit for the Windows Presentation Foundation framework. It provides a collection of modern styles and specialized interface elements designed to build current-generation desktop application layouts. The library functions as a theme and XAML styling system that allows for the updating of standard interface elements. It includes built-in support for managing visual themes, specifically enabling the switch between light, dark, and high contrast modes. The project covers general WPF user interface design, including the implementation of styled input, na

MaterialEditText is an Android UI component library and mobile form input framework used to create text fields that implement Material Design standards. It provides a collection of input components featuring floating labels, error states, and themed visual styles. The library enables the rendering of text fields with animated labels and integrated helper text. It supports the addition of design icons and allows for the customization of colors and typefaces for primary, error, and helper text. The framework includes capabilities for mobile input validation, such as enforcing minimum and maxim

FlycoTabLayout is a Java-based library for building tabbed navigation interfaces in Android applications. It functions as a custom view component and navigation tool that allows developers to organize content into switchable categories using customizable indicators and animations. The library distinguishes itself through integrated notification badge components that display unread message tips and status indicators directly on individual tabs. It also provides specialized navigation synchronization, allowing the tab layout to function as a standalone component or as a linked navigation bar ti

tui-rs is a Rust framework for building rich terminal user interfaces and dashboards. It provides a terminal layout engine for dividing the screen into flexible rectangular regions and a widget library for rendering data in a terminal. The project includes a cross-platform terminal backend abstraction layer to ensure consistent rendering and compatibility across different operating system terminal drivers. The framework covers a wide range of UI components, including data visualization tools such as charts, progress gauges, and sparklines, as well as structural elements like data tables, ite

Android-SpinKit is an Android animation library that provides a collection of animated loading spinner views for use as progress indicators during asynchronous operations. The library offers multiple predefined animation styles, including Circle, Wave, and DoubleBounce, which can be selected and displayed as standard Android View elements within an application's layout. The library distinguishes itself by being built entirely on the Android SDK's drawing and animation APIs, with no external dependencies required. Each spinner type implements a distinct animation state machine using Android's

TWiLightMenu is a retro gaming frontend and game launcher for Nintendo DS hardware. It serves as a custom firmware tool and a unified interface for launching native games, emulated ROMs, and homebrew applications, while also functioning as a cheat manager and handheld storage manager. The project features a custom theme engine that allows for the personalization of the visual interface through custom images, fonts, and coordinate sets, as well as the use of custom boot splash screens and system audio. It distinguishes itself through a modular extension system that supports third-party plugins

SciencePlots is a Matplotlib style library and scientific plotting framework designed to automate the formatting of figures for academic journals and professional scientific publications. It provides a collection of visual presets and configuration rules for academic typography, layout, and resolution. The project features curated color-blind accessible palettes and figure formatters specifically designed to meet the strict submission standards of academic publishers. It includes specialized tools for professional figure styling and the rendering of non-Latin scripts for multilingual support.

This project provides a set of Android Material Design widgets, including floating action buttons and floating action menu components. These elements highlight primary screen actions through customizable sizing, shadow effects, and Jetpack Compose UI components. The library includes a circular progress button that embeds a loading spinner to signal background task processing. Its menu components organize expanding buttons with labels and background dimming to provide quick access to multiple primary application actions.

Terminal.Gui is a cross-platform .NET toolkit for building interactive text-based user interfaces. It provides a component-based architecture, a terminal rendering engine, and a declarative layout system to create console applications that run consistently across Windows, macOS, and Linux. The framework distinguishes itself with a comprehensive set of interactive console widgets, including data grids, hex editors, and hierarchical tree components. It supports advanced visual capabilities such as 24-bit True Color, Sixel image support, and a relative-coordinate layout system that adapts to ter

LSPosed is an Android runtime hooking framework and system modification tool. It enables the modification of application and system behavior in memory without altering original installation files, serving as a platform for distributing and managing community-created extension modules. The project provides a comprehensive suite for device and identity spoofing, including the ability to mask hardware identifiers, simulate geographic locations, and conceal root access or hooking frameworks to bypass security and integrity checks. It also functions as an application modder to unlock premium featu

Avalonia is a cross-platform desktop framework that enables the creation of native-feeling applications for Windows, macOS, and Linux from a single codebase. It functions as a declarative UI toolkit, allowing developers to define complex visual hierarchies and interface structures using a markup-based syntax that maps directly to underlying object properties. By utilizing the Model-View-ViewModel architectural pattern, the framework facilitates a clean separation between application logic and user interface layout, which simplifies unit testing and component maintenance. The framework disting

This project is an LLM-powered presentation generator and HTML slide deck framework designed to produce single-file presentations. It combines an AI-driven generation system with a playback engine that utilizes WebGL-accelerated rendering for high-performance visual storytelling. The system is distinguished by its focus on design system enforcement, utilizing a validator to ensure layouts adhere to specific typographic and structural rules. It includes a specialized AI visual asset pipeline that generates context-aware imagery and transforms raw screenshots into polished assets through progra

Revery is a cross-platform GUI toolkit and functional UI framework used to build native desktop applications for Windows, macOS, and Linux. It utilizes the Reason functional programming language to compile code into machine-level instructions for native execution. The framework employs a component-based model to manage user interfaces, mapping functional components to the underlying native operating system widgets. This approach ensures that applications maintain native performance, behavior, and a consistent look and feel across different operating systems. The toolkit covers the full appli

NES.css is an 8-bit CSS framework and styling system that transforms standard HTML elements into pixelated interfaces inspired by classic gaming consoles. It serves as a retro UI component library and toolkit for rendering text, borders, and icons with a blocky aesthetic. The framework uses pure CSS to emulate 8-bit graphics without relying on external images or JavaScript rendering. It implements pixel-art border simulations and integrates pixel-style web fonts to maintain a consistent gaming aesthetic across different browsers. The system provides a suite of game-themed interface elements,

Space Station 14 is a C# multiplayer game and roleplay simulation framework. It is built upon an Entity-Component-System (ECS) game engine that separates logic into systems and data into components to manage complex entity interactions. The project functions as a grid-based physics simulator with a YAML data-driven prototype system for defining game objects. The project features a specialized 2D sprite rendering engine that maps server-side appearance data to client-side shaders. It implements a networking model with client-side prediction and dirty-flagged state synchronization to reduce inp

IBAnimatable is a set of visual design tools for prototyping bespoke interface elements, motion effects, and navigation transitions within a graphical environment. It provides a designer for creating and prototyping animations directly within the Apple Interface Builder environment and a system for building custom interface components through a visual attributes panel. The project distinguishes itself by offering a visual interface transition editor for configuring screen navigation and gesture-driven transitions without manual coding. It includes a prototyping sandbox for testing interaction

WPF is a .NET desktop UI framework and application framework designed for creating graphical user interfaces specifically for the Windows operating system. It functions as a XAML-based UI toolkit that uses an XML-based language to define interfaces and separate design from application logic. The framework includes a vector graphics rendering engine that produces resolution-independent visuals. This system allows graphics to scale without loss of quality on high-density monitors. The project covers broad capability areas including modern UI styling, rich media content hosting, and desktop int