Open-source alternatives to MyLinearLayout

Masonry is a declarative UI layout engine and domain-specific language for defining layout constraints on iOS and macOS. It serves as a wrapper for native Apple layout constraints, providing a system for positioning views on a screen by declaring rules and priorities. The library implements a fluent interface that uses chainable method calls to define complex screen layouts. This approach replaces native configuration calls with an expressive syntax for generating layout rules. The engine includes capabilities for managing constraint priorities to resolve layout conflicts and tools for updat

PureLayout is a declarative layout framework and Auto Layout wrapper library used for positioning views and managing constraints in iOS and macOS applications. It provides a programmatic engine for building user interfaces through constrained-based positioning and priority levels. The framework utilizes a fluent-interface API design and wrapper-based abstractions to simplify the definition of layout constraints. It features deferred and batch constraint activation to group multiple rules together for simultaneous application to the view hierarchy. The project covers general Auto Layout manag

AsyncDisplayKit is an asynchronous UI framework and performance library for iOS. It provides a collection of performant alternatives to standard views, allowing developers to build responsive interfaces by offloading layout and rendering tasks to background threads. The framework is centered around a declarative layout engine based on a flexbox model, which calculates element positions and sizes asynchronously. It utilizes a node-based abstraction to wrap native views, enabling the instantiation and configuration of UI hierarchies on background threads to prevent main thread blocking. The sy

This project is a technical catalog and cross-platform mobile styling reference used for building mobile user interfaces. It serves as a mobile UI property catalog and a translation guide that maps standard web styling concepts to the JavaScript object notation required by mobile frameworks. The reference provides specific guidance on mobile flexbox layout for arranging elements and controlling alignment. It further translates CSS concepts into mobile-compatible notation to assist with the migration of web styling to mobile environments. The documentation covers a broad range of visual styli

AndroidX is the official collection of Android Jetpack libraries for building Android applications. It provides a suite of backward-compatible APIs that expose modern platform features on older Android versions, ensuring consistent functionality across devices. The project is built around lifecycle-aware component architecture, with tools like ViewModel for preserving UI data across configuration changes, LiveData for lifecycle-aware data observation, and WorkManager for constraint-based background task scheduling. The project distinguishes itself through compile-time code generation and type

Walk is a comprehensive framework for building native Windows desktop applications. It functions as a GUI library and Windows API wrapper, providing a toolkit of native widgets and a declarative layout system for developing high-performance user interfaces. The project is distinguished by its data-binding framework, which uses reflection and string-based property paths to synchronize data sources with interface widgets. It also provides specialized support for high-DPI interface scaling and an optimized native message loop to reduce runtime overhead. The toolkit covers a wide range of capabi

Astrowind is a high-performance site framework and bootstrapping tool designed for building marketing sites, professional portfolios, and high-conversion landing pages. It utilizes a utility-first CSS architecture and a component-based UI library to assemble responsive websites. The project specializes in conversion rate optimization through targeted templates for lead generation, product sales, subscription captures, and pre-launch teasers. It includes specific infrastructure for static blogging, utilizing markdown-based content modeling and rendering for long-form articles. The framework c

iOS9AdaptationTips is a collection of technical strategies and guides for adapting mobile applications to the iOS 9 operating system. It serves as a development resource for implementing system integration, UI layout adaptations, and push notification configurations. The project provides specific guidance on flexible interface implementation, including support for split-screen modes, dynamic text scaling, and status bar configurations. It also covers the use of secure certificates and heartbeat signals to maintain persistent connection stability for push notifications. The material covers br

Semantic-UI is an HTML and CSS UI framework consisting of a themed component library and a responsive layout framework. It provides a collection of reusable interface components and a grid-based system of columns and containers designed to build responsive websites. The framework is distinguished by its use of natural-language class naming, which maps human-readable CSS classes to specific visual styles. It also functions as a right-to-left UI toolkit, utilizing directional mirroring to adjust visual flow and element alignment for languages read from right to left. The system covers frontend

Cartography is a declarative layout engine and constraint management framework for Swift. It provides a domain-specific language to define, group, and prioritize user interface layout rules, abstracting the process of positioning and aligning visual components. The framework distinguishes itself through a fluent API and the use of overloaded operators to define relationships between view attributes. It enables the bundling of multiple layout rules into single units, allowing for the dynamic swapping of constraint groups at runtime to transition views between different positional states. The

RuoYi is a Spring Boot admin framework designed for building enterprise applications. It provides a foundation for creating management dashboards and orchestrating systems using either monolithic or microservices architectures. The project features a low-code application generator that produces ready-to-compile source code and API documentation based on database table configurations. It implements a role-based access control system to map users and roles to specific menus and buttons for secure resource access. The framework includes capabilities for system health monitoring, real-time perfo

SnapKit is a declarative layout library and domain-specific language for managing user interface constraints and view relationships in Swift. It serves as a programmatic framework for positioning and sizing interface elements on iOS and macOS by wrapping native Auto Layout calls in a concise syntax. The library provides a fluent interface that translates high-level descriptive language into imperative layout rules. It differentiates itself through automatic constraint tracking and lifecycle management, allowing for the bulk removal and replacement of positioning rules without manual tracking

TinyConstraints is a declarative UI layout engine and constraint-based positioning framework designed to simplify the definition of view constraints, spatial relationships, and element dimensions. It functions as an auto layout wrapper library that allows for the positioning of elements through relational anchors and priority-based sizing rules. The system enables adaptive interface design by supporting custom view stacking in horizontal or vertical sequences and the use of offsets for precise edge alignment and centering. It further supports dynamic interface animations by updating layout co

SDAutoLayout is an iOS UI layout framework and programmatic wrapper library. It provides an auto layout constraint engine and tools for managing view dimensions and positions within the Apple iOS user interface ecosystem. The project features a dynamic content height calculator and a simplified syntax for defining layout constraints to reduce boilerplate code. It includes specialized utilities for automatically determining and caching the height of table cells and labels based on their internal text content. The framework covers a range of layout capabilities, including automatic content siz

radzen-blazor is a UI component library for Blazor applications, providing a collection of native interface elements including data grids, charts, and scheduling components. It includes a data visualization suite for rendering complex datasets through interactive charts and heatmaps, alongside responsive web layout tools to ensure interfaces adapt to different screen sizes and orientations. The library offers multiple design system implementations, including a Fluent UI framework and a Material Design UI kit. Visual customization is supported through dynamic theme customization and brand conf

Elementor is a visual page builder for WordPress that provides a drag-and-drop interface for creating responsive layouts and custom themes. It functions as a comprehensive design system manager and theme builder, allowing for the creation of global website components such as headers, footers, and archive pages without writing code. The platform distinguishes itself through a dedicated popup builder with custom trigger conditions and a visual landing page creator that utilizes pre-made kits. It includes a global style registry to synchronize fonts and colors across all site elements and a widg

Webstudio is a visual CMS and website builder that provides a visual development environment for designing and publishing websites. It functions as an AI-powered design tool, a REST and GraphQL API client, and an atomic CSS compiler. The platform distinguishes itself through generative AI capabilities for creating layout variants and refining visual styles from text prompts. It integrates a headless CMS workflow that maps external data sources to visual components and utilizes a specialized compiler to convert design tokens into deduplicated atomic CSS for optimized page load speeds. The sys

bootstrap-modal is a JavaScript library that extends the standard Bootstrap modal component to provide advanced resizing, stacking, and animation capabilities. It functions as an AJAX modal loader, fetching remote content and updating views asynchronously without requiring a browser page refresh. The project provides a stackable overlay manager to organize multiple overlapping windows with synchronized event handling and correct layer ordering. It also includes a responsive UI component that automatically adjusts dimensions and constraints based on the current window size. The library covers

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-responsive is a media query library for React used to implement responsive design by conditionally rendering components based on viewport dimensions. It provides hooks and utilities for viewport detection and monitoring screen characteristics and orientation changes. The library includes a server-side rendering mock and device simulation capabilities. These allow for the manual override of device settings via properties or context to ensure consistent rendering during server-side operations and to facilitate automated UI testing. The project covers device characteristic detection and v

Accompanist is a collection of extension libraries that provide additional functionality and specialized components for the Jetpack Compose UI framework. It serves as a toolkit for implementing common layout and system tasks that extend the core capabilities of declarative UI development on Android. The library provides specialized utilities for managing modal bottom sheet destinations and defining custom animations for screen transitions within a navigation graph. It includes tools for detecting screen folds and display features to create adaptive layouts that adjust based on window size and

Texture is an iOS framework for building user interfaces that render on background threads using thread-safe node abstractions. It provides an asynchronous display node architecture that constructs and composites view hierarchies off the main thread, then synchronises the final bitmap for presentation, enabling smooth and responsive apps. The framework replaces UIKit's standard view system with node-based hierarchies that can be created, configured, and mutated on any queue without locking the main thread. The framework distinguishes itself through a precomputed rendering pipeline that decode

react-responsive is a set of utility tools and hooks for evaluating CSS media queries within React components. It functions as a viewport state manager that detects screen dimensions and triggers user interface changes based on defined breakpoints. The project includes a helper for server-side rendering and automated testing that allows device properties to be overridden via context. This ensures consistent rendering when browser-native detection is unavailable. The library covers adaptive component rendering, viewport change monitoring, and responsive layout detection. It uses the native ma

North is a responsive web design methodology and Sass-based CSS architecture framework. It provides a system for building mobile-first user interfaces using fluid grids and progressive enhancement techniques to ensure a consistent experience across different browser capabilities and screen sizes. The project features a standardized CSS naming system that uses Sass mixins to programmatically generate class names, distinguishing between components, layouts, and states. It also functions as a frontend project scaffolding tool, providing a generator to bootstrap new environments with pre-configur

This project is a responsive layout framework for Angular that provides a system of directives to create adaptive user interfaces using CSS Flexbox and CSS Grid. It includes specialized libraries for managing flexible box alignment and structuring complex two-dimensional page grids. The framework features a breakpoint monitoring service to programmatically observe media query changes and trigger logic when viewport dimensions cross defined boundaries. To optimize performance, it includes a build-time CSS generator that uses SASS mixins to create static media query stylesheets, reducing the ne

This is a custom Android UI component designed to automatically adjust font sizes so that text content fits within defined layout bounds. It functions as a text scaling tool that ensures strings remain visible and contained within specified width and height constraints. The component implements adaptive layout design by dynamically modifying text size based on available screen real estate. It utilizes a measure-based fit calculation and iterative scaling to prevent text from being clipped or wrapping unexpectedly across different device resolutions.

Accompanist is a Jetpack Compose extension library providing a set of utility components and libraries that fill functional gaps in the declarative UI framework. The project provides an adaptive layout toolkit for building user interfaces that automatically adjust based on Android screen size and device configuration. It includes a renderer for converting standard Android Drawable assets into formats compatible with a declarative painting system, as well as a manager for requesting and tracking Android system permissions.