Open-source alternatives to Spring

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

Popping is a gallery of iOS user interface animation examples. It provides a collection of visual demonstrations and code samples for implementing smooth interface transitions and motion effects in Apple mobile applications. The project focuses on showcasing how to use the Pop animation engine to create high-performance animations and sophisticated behavioral effects. It serves as a reference for adding polish to mobile views through a variety of motion samples. The content covers mobile interface design and the implementation of UI animations to refine the look and feel of an application.

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

lottie-ios is a vector graphics engine and animation framework for iOS that renders animations exported from After Effects as native visual elements. It functions as a renderer that converts animation data into high-fidelity native shapes to maintain small file sizes on mobile devices. The framework provides tools for managing playback, looping, and real-time property updates. It allows for the modification of colors, positions, and keyframe properties of active animations to respond to application state changes. The system parses JSON-based animation data and maps keyframes to native layers

Hero is a transition framework and animation toolkit for iOS and tvOS designed to create fluid visual continuity between screens. It provides a shared element animation library that interpolates the position and size of views across different screens using unique identifiers. The framework includes an interactive transition controller that binds navigation progress to manual gestures and user input events in real time. It utilizes a system for calculating animation durations based on element distance and size to maintain a consistent sense of motion speed. The toolkit covers global coordinat

react-spring is a declarative animation framework for React that drives visual transitions through state-driven declarations. It functions as a motion engine where animations are defined as target values pursued by a physics engine based on application state. The library utilizes a spring physics engine to calculate natural movements by simulating mass, tension, and friction instead of relying on fixed durations. To maintain high frame rates, it updates DOM elements directly via references to bypass the standard React render cycle. The framework covers physics-based motion and state-driven t

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

This project is a cross-platform animation library for React Native that provides a declarative engine for building high-performance user interfaces. It functions by offloading animation logic and interaction processing to the native UI thread, ensuring that visual transitions remain smooth and responsive even when the main application thread is under heavy load. The library distinguishes itself through a specialized architecture that transforms standard functions into units capable of executing directly on the native thread. It utilizes shared-memory synchronization to maintain consistent da

Advance is a physics-based animation library and motion simulation toolkit for iOS, tvOS, and macOS. It provides a framework for driving value transitions using non-linear physics functions and a spring physics engine to produce natural, bouncy movements. The library distinguishes itself through a vector-based animation framework that allows custom data types to be animated by converting them into vector representations. It also implements velocity-preserving state handoffs to maintain a consistent rate of change when transitioning between different animation modes. The toolkit covers both t

react-flip-toolkit is a coordinate-based transition framework and layout animation library for React. It uses a magic-move technique to calculate element positions, preventing jarring jumps during layout shifts through interpolation and physics. The library provides a spring-based motion engine that uses stiffness and damping settings to create natural movement for layout and style changes. It includes specialized tools for shared element transitions, which coordinate visual movements across client-side route changes to maintain continuity between different pages. The system covers layout tr

Rebound is a Java motion framework and physics engine designed to create natural physical movement in user interface animations. It functions as a spring physics library that models forces and oscillations to drive fluid interface transitions. The framework implements interactive motion design by simulating real-world spring dynamics and physical forces rather than using linear transitions. This allows for the creation of organic motion within Java applications. The engine handles physics-based animation through spring-based simulations, employing discrete time-step integration and frame-ind

NVActivityIndicatorView is a library of themed and configurable animation views used to replace standard system loading spinners in iOS applications. It provides a collection of reusable Swift UI components designed to signal background processing and data loading through various visual styles. The library focuses on custom activity indicators that allow for the implementation of stylized loading animations with specific colors and patterns. It enables the visualization of asynchronous processes and mobile app loading states to notify users that a background task is active. These components

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

Swup is a page transition library and AJAX page loader designed to create seamless, animated transitions between pages on server-rendered websites. It functions as a DOM content orchestrator and browser history manager, intercepting navigation to replace page content dynamically and simulate a single-page application experience. The project differentiates itself through a hook-based lifecycle system and a plugin architecture that allows for the injection of custom logic and animation effects. It supports advanced visual methods including DOM content morphing, parallel-DOM rendering for overla

Bodymovin is a motion graphics pipeline tool and plugin that exports After Effects animations into JSON files for native rendering on web and mobile platforms. It serves as a cross-platform animation bridge, converting complex vector motion designs into a portable Lottie format for use across different operating systems and frameworks. The project enables high-performance web animation by rendering motion graphics using SVG, Canvas, or HTML. It ensures consistent playback across diverse environments by converting dynamic expressions into static keyframes during the export process. The toolse

LTMorphingLabel is a Swift UI component and animation framework designed to create visual morphing transitions between text strings within labels. It functions as a text morphing library that replaces static text updates with dynamic visual effects. The framework utilizes shaders and animations to blend one text string into another using effects such as scaling, pixelation, or burning. It achieves these transitions by coordinating high-level animation timing with low-level graphics rendering. The project covers a range of capabilities including temporal image blending and snapshot-based stat

A collection of animations for iOS. Simple, just add water animations.

Easy animation library on iOS with Swift2

🎨 Gradient animation effect like Instagram

A fantastic Physical animation library for swift

Gemini is rich scroll based animation framework for iOS, written in Swift.

Advanced Natural Motion Animations, Simple Blocks Based Syntax

:deer: Simple Interface Core Animation. Run type-safe animation sequencially or parallelly

Swift interpolation for gesture-driven animations

Type-safe CAAnimation wrapper. It makes preventing to set wrong type values.

Swift library for choreographing animations on the screen.