Open-source alternatives to IBAnimatable

Moti is a cross-platform animation framework and state-driven animation engine designed to create consistent visual transitions and motion effects across mobile and web platforms. It functions as a native-thread animation wrapper and library that leverages a shared-value system to synchronize state changes between the logic layer and the native rendering engine. The framework distinguishes itself through its layout transition tools and the ability to execute complex sequences and loops on the native thread to maintain high frame rates. It provides a system for orchestrating smooth entry and e

EasyAnimation is a Swift library for defining and executing interface animations. It provides a system for modifying layer properties and creating visual transitions for UI components. The library specializes in physics-based motion, utilizing spring constants and damping ratios to produce bouncy movement effects. It also enables complex animation sequencing, allowing multiple visual changes to be chained together with specific timing and delays. Additional capabilities include the ability to cancel running animation sequences after the active step completes and the use of block-based proper

Spring is a Swift animation library and iOS view animation framework. It provides a spring physics animation engine designed to generate realistic, organic motion for user interface movements. The framework utilizes a declarative animation interface, allowing developers to define animation properties and behaviors without writing complex imperative code. This includes a declarative animation workflow where motion is configured through visual storyboards. The system manages iOS UI animations and Swift view transitions, specifically automating how views appear and disappear through triggered a

AndroidViewAnimations is an animation library and visual effects toolkit for Android applications. It provides a framework for implementing motion effects, such as bouncing, sliding, and rotating transitions, for views within Android layouts. The library features a collection of predefined motion presets and stylized transition effects. These include curated sequences for shaking and pulsing to guide user attention, as well as complex movements like hinging or rolling for interface entry and exit. The toolkit covers a wide range of visual effects, including linear slides, elastic bounces, tr

animateplus is a lightweight JavaScript animation library designed for creating high-performance 60 FPS visual transitions and numeric interpolations for website elements. It functions as a promise-based animation engine, using async await patterns to sequence complex motion timelines and timing delays. The library includes a motion blur simulator that applies directional speed blur along the X and Y axes to mimic high velocity. It also provides a numeric interpolation tool to transition colors and graphic properties between states. The system manages high-performance element control, allowi

react-native-interactable is a gesture physics library and interaction framework for React Native. It provides an animated gesture engine and a physics-based UI toolkit designed to create complex touch-based components such as swipeable rows and draggable cards. The project distinguishes itself through the simulation of physical properties, including spring tension, surface friction, and gravitational forces. It allows for the creation of gravity wells that attract or repel views and integrates simulated springs to pull elements toward specific coordinates with adjustable damping. The framew

SwipeBackLayout is an Android gesture navigation library that provides the mechanisms for implementing native-style edge-swipe interactions and view transitions. It functions as a swipe-to-dismiss layout manager and touch event interceptor, allowing users to return to previous screens through physical touch gestures. The library manages the visual transition between screens using a coordinate-based translation system. This includes the use of alpha scaling, view-hierarchy layering, and horizontal translation to maintain visual continuity during navigation. The system includes tools for defin

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

Velocity is a JavaScript animation library used to create high-performance CSS and SVG animations. It functions as a CSS property interpolator and a spring physics engine, enabling the creation of smooth visual transitions and organic movement for web elements. The project provides a programmatic interface for modifying vector attributes and 3D transformations through its SVG animation framework. It further distinguishes itself as an animation sequence orchestrator, allowing for the chaining of movements and the staggering of start times across multiple elements using promises. The library c

react-motion is a physics-driven animation toolkit and library for React applications. It provides a system for creating fluid user interface transitions by simulating natural spring movement to move elements toward destination values using stiffness and damping parameters. The framework manages the visual entry and exit of components as they mount and unmount within the document structure. It coordinates complex motion patterns, including staggered animations and fluid transitions for items being added, removed, or reordered within dynamic lists. The library covers a broad range of animatio

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 a comprehensive technical interview preparation guide and computer science knowledge base. It serves as a structured study resource designed to help software engineers review core engineering concepts and prepare for professional coding assessments. The repository focuses on a wide array of theoretical and practical domains, including detailed references for mobile application architecture and operating system fundamentals. It provides curated materials on software architecture patterns and network protocol analysis to support professional development. The content covers foun

This project is a cross-platform UI library for React Native designed to build messaging interfaces. It provides a comprehensive set of specialized components, including message bubbles, input toolbars, and layout containers, to facilitate the development of chat applications on iOS and Android. The library distinguishes itself through a highly flexible configuration interface that allows developers to override default elements and styling to meet specific branding requirements. It includes built-in support for complex interaction patterns such as swipe-to-reply gestures, quick-reply buttons,

This project is a community-driven directory of software resources, libraries, and tools designed to support iOS application development. It serves as a centralized reference point for developers, organizing a vast ecosystem of third-party components into a searchable, structured index to facilitate discovery and project integration. The repository distinguishes itself through its collaborative curation model, which aggregates disparate utilities into a single, maintainable catalog. By leveraging a flat-file documentation structure, it provides a clear overview of the tools available for nati

Pencil is a cross-platform design environment and vector drawing application used for GUI prototyping and diagramming. It provides a canvas-based editor to create interactive user interface mockups, system architecture diagrams, and scalable visual representations of technical flows. The tool functions as a vector graphic editor that renders shapes as mathematical paths to ensure scalability across different resolutions. It includes a PDF export layout engine specifically designed to convert screen-based visual designs into fixed-layout documents for physical printing and distribution. The p

Animsition is a CSS page transition library and frontend motion framework designed to create fluid visual effects, such as fades and zooms, between web pages. It functions as a DOM navigation animator that manages the timing and sequence of page removal and insertion to provide continuous movement between screens. The system operates as a page overlay animator, utilizing a coordinate-based slide controller to move covering elements across the screen in specific directions. These overlays mask background changes during transitions to maintain visual continuity. The framework leverages hardwar

VCTransitionsLibrary is a suite of tools providing pre-built visual effects and gesture-driven controllers for managing transitions between view controllers in iOS applications. It serves as a UIKit animation framework that implements custom animations for navigating between screens to improve visual flow. The library features a collection of pre-defined animations, including flip, fold, cube, and crossfade effects. It includes an interactive transition controller that links gesture recognizers, such as swipes and pinches, to animations, allowing users to manually drive or cancel the navigati

Openv0 is an AI-driven UI prototyping tool and component generator. It uses large language models to create user interface elements, providing a live preview feedback loop for immediate visual iteration. The system operates as a generative frontend pipeline, utilizing a modular sequence of plugins to orchestrate the creation of UI assets. This architecture allows for the integration of custom UI frameworks, external libraries, and icon sets to expand the range of available visual components. The tool covers frontend component prototyping and generative asset pipelines. It supports project bo

ToolJet is a low-code development platform designed for building and deploying internal business applications. It provides a visual interface where users can drag and drop components to design layouts, connect to various data sources, and execute custom logic. The platform is built on a containerized architecture, ensuring that applications remain portable and consistent across different cloud and server environments. The platform distinguishes itself through integrated artificial intelligence capabilities that assist in the generation of user interfaces, database schemas, and data queries fr

Onlook is an integrated development environment designed for building user interfaces through a combination of visual manipulation and direct code synchronization. It provides a unified workspace where developers can modify application components, layouts, and styles within a graphical interface, with all changes automatically reflected in the underlying source code. By maintaining a live, bidirectional link between the rendered interface and the codebase, the platform ensures that visual edits are accurately translated into production-ready syntax. The platform distinguishes itself through i

iscroll is a JavaScript smooth scrolling library and web interaction framework. It provides a 2D web panning controller and a CSS transform zoom engine to manage inertial scrolling, panning, and zooming for web elements across different devices. The project enables the implementation of custom scrollbar interfaces and navigation maps that track the current viewport position. It supports the creation of interactive web carousels with element snapping, web parallax effects, and content scaling via pinch-to-zoom or mouse-wheel inputs. The library covers a broad range of interaction capabilities

This project is a cross-platform mobile tab navigator for React Native. It provides a swipable tab interface and an animated view switcher that allows users to move between different content areas using horizontal swipe gestures. The system features a customizable tab bar component that can be styled or replaced with custom components to control the visual layout. It supports independent scroll state management, ensuring each individual page maintains its own vertical scroll position when switching views. The navigation framework handles tab transition control and adjacent page pre-rendering

This project is a technical breakdown and implementation of a user interface framework's internal architecture, focusing specifically on the mechanics of the virtual DOM, reconciliation, and component lifecycles. It serves as a resource for understanding how a core logic layer manages the transition from high-level component descriptions to physical browser elements. The project distinguishes itself by providing detailed visualizations, including flowcharts and block schemes, to map the reconciliation process and code execution paths. It explores how a platform-agnostic core can be adapted fo

NineOldAndroids is an Android animation backport library and UI compatibility layer. It brings the Honeycomb animation API to all Android platform versions, extending support back to version 1.0. The library serves as a platform backport that enables the execution of modern system APIs on older versions of the Android operating system. This ensures consistent visual transitions and animation sequences across legacy and modern device versions. It provides capabilities for Android API backporting and legacy animation support to maintain cross-version UI consistency across supported hardware.

Canvas is a set of graphical tools and development environment extensions for configuring animation properties and interface effects without writing manual code. It provides a visual animation editor and motion tool integrated into Xcode for designing SwiftUI views and layout elements. The project enables the creation of motion effects and transitions through a visual interface, allowing for the design of parallax headers and sticky sections. It includes a visual animation system for managing timing, delays, and animation styles. The toolset covers visual motion prototyping and the implement

Pow is a suite of specialized toolkits for SwiftUI that provides structured implementations for animations, particle systems, and multi-sensory user feedback. It includes a visual feedback framework, an animation library, and a dedicated particle system. The project provides a rendering context for particle effects that avoids clipping by parent view boundaries. It also includes a haptic and audio feedback kit designed to trigger physical vibrations and sound effects in response to state changes within a user interface. The library covers a range of interface enhancements, including 3D rotat