Projects sharing features with Spine Runtimes

AI4Animation is a deep learning motion controller and framework for generating biped and quadruped locomotion from motion capture data. It provides a system for training and executing neural networks to drive real-time character animations within Unity. The project features a neural animation blending system that synthesizes novel movements by mixing unaligned motion sources using learned manifolds. It also includes a real-time inverse kinematics solver for computing joint positions based on target goals and scene geometry. The toolset covers motion capture data processing, including the imp

Motionity is a browser-based motion graphics editor and video compositor. It provides a visual timeline for creating animated videos and compositions using a layer-based system and keyframe animation tools. The project features a dedicated Lottie animation renderer, allowing users to import and render vector-based files for scalable motion graphics. It includes specialized tools for keyframe animation, using easing functions to control object movement and property transitions. The platform covers a broad range of production capabilities, including digital asset composition, video clip editin

Pose-animator is a system that maps real-time body and face tracking data to 2D vector illustrations. It functions as a skeletal animation engine and motion controller that translates human keypoint recognition into instantaneous SVG path updates. The project enables real-time motion capture from webcam feeds and pose extraction from static images. It utilizes a skeletal rig to link virtual bones to vector character surfaces, allowing for the animation of custom characters and interactive avatars. The tool incorporates client-side machine learning inference for processing camera frames, coor

EaselJS is a JavaScript library for creating interactive 2D graphics and animations using the HTML5 Canvas element. It functions as a 2D animation framework, a canvas scene graph manager, and an interaction wrapper for detecting and responding to mouse and touch events. The library features a rendering pipeline that utilizes WebGL to increase the drawing performance of bitmap and cached content. It organizes visual elements into a hierarchical display list, allowing nested groups of 2D graphics objects to be transformed and animated as single units. Its capabilities cover the rendering of ve

Macaw is a Swift vector graphics library and animation framework used to create and render scalable geometric shapes and text. It functions as an SVG rendering engine and an interactive vector graphics toolkit for displaying complex artwork while maintaining image quality at any scale. The framework enables the animation of shape properties and node transformations, including the ability to morph one vector path into another. It allows for the integration of external SVG files and the application of linear and radial gradients to fills and strokes. The toolkit covers a range of capabilities

AnimatedDrawings is a system for transforming static 2D drawings of humanoid figures into animated characters. It provides a workflow for character rigging, motion mapping, and scene assembly to turn hand-drawn sketches into moving visual sequences. The project utilizes a motion retargeting framework to map movement data from motion capture files onto custom character skeletons regardless of their physical proportions. It employs a rigging tool that uses pose estimation to automatically predict joint locations and create digital skeletons, which can be manually refined to improve animation ac

Animator is a design platform for creating vector-based animations and programmable interactive components. It provides a visual environment for building motion graphics and UI elements, utilizing a timeline-based interface to manage keyframe sequencing and property transitions. The platform distinguishes itself by combining traditional motion design tools with a spreadsheet-style expression engine. This allows users to define reactive logic and custom behaviors that respond to user interactions or time-based triggers. By serializing these designs into standardized formats, the tool ensures t

Flowblade is a non-linear video editor and multitrack video compositor. It provides a professional environment for composing multitrack timelines, trimming media clips, and managing assets through a visual effects processing engine. The project distinguishes itself with a hardware-synced playback controller that allows for manual scrubbing using external USB shuttle and jog devices. It also includes a hardware-accelerated video encoder that utilizes CPU and GPU acceleration to render project timelines into final formats. The software covers a broad range of production capabilities, including

Natron is an open-source node-based video compositor and motion graphics software. It functions as a visual effects tool that combines images and video using a node graph and a linear color pipeline to create complex effects and set extensions. The software includes a 2D motion tracking suite for stabilizing footage and tracking pixel movement across frames. It is a Python-scriptable environment, allowing for custom automation and user interface extensions through an embedded Python interpreter. The platform provides a comprehensive range of compositing capabilities, including chroma keying,

Rerun is a multimodal data visualizer and robotics data logger designed for rendering synchronized streams of 3D spatial data, images, and time-series metrics. It functions as a tool for capturing high-frequency sensor data and AI outputs into a queryable columnar format, providing a dedicated interface for viewing MCAP recording files and analyzing physical environments. The project distinguishes itself as a machine learning dataset streamer, capable of feeding logged recordings directly into GPU buffers and PyTorch training pipelines without intermediate exports. It supports a high-performa

Tixl is a node-based motion graphics engine and procedural generation tool used to create 3D geometry and shaders. It utilizes a directed acyclic graph of operators and GPU-accelerated compute kernels to generate complex 3D shapes, particularly through the use of signed distance functions and particle simulations. The engine is highly extensible via a C# development framework that supports hot code reloading, allowing custom operator logic to be injected into the active runtime without restarting. It further distinguishes itself as a lighting controller, capable of translating 3D spatial attr

Urho3D is a cross-platform 3D game engine written in C++. It uses a component-based scene graph to compose game objects from nodes and attached components, separating transforms from behaviors for modular design. The engine integrates AngelScript and Lua scripting for game logic, uses the Bullet library for physics simulation, and renders scenes with OpenGL or Direct3D through forward, deferred, or light pre-pass pipelines with customizable render passes and shadow mapping. The engine distinguishes itself with a built-in visual scene and UI editor for composing 3D worlds and interface layouts

WebGAL is a web-native development environment designed for the creation and publication of interactive narrative games. It provides a browser-based platform that enables users to build visual novels featuring branching dialogue and multimedia assets without requiring manual coding. The platform distinguishes itself through a visual editor that utilizes node-based logic definition to manage narrative flow and scene transitions. It includes specialized tooling for the configuration and integration of animated character models, allowing for the direct implementation of interactive character seq

AndroidNote is a technical knowledge base and reference resource for Android development. It provides comprehensive guidance on application architecture, custom view development, and advanced graphics programming. The project is distinguished by its depth in visual implementation, covering pseudo-3D perspective projections via virtual cameras and complex 2D rendering using Bézier curves and PorterDuff color blending. It also provides detailed methodologies for app modularization and the management of internal libraries through private Maven repositories and JitPack. The reference surface ext

Shimmer is a UI loading state library used to generate shimmering skeleton placeholders and view-wrapping animation effects. It provides a set of tools for creating highlight animations that signal content is loading within a user interface. The project includes a skeleton screen generator and a view animation wrapper. These components apply a moving gradient effect over existing views to provide visual feedback while data is being fetched. The library covers user interface animation and mobile app design patterns. It implements loading indicators through a combination of linear-gradient mas

Piston is a modular game engine and framework written in Rust for building two and three-dimensional graphical applications. It functions as a cross-platform windowing library and a system for managing input events and window loops across different operating systems. The project provides specialized rendering systems, including a voxel rendering engine for volumetric pixels and a skeletal animation system for deforming meshes via hierarchical bone structures. It also features an immediate mode user interface toolkit for creating responsive on-screen elements and a behavior tree AI framework t

VideoPose3D is a machine learning framework designed for 3D human pose estimation. It functions as a motion reconstruction tool that predicts 3D joint positions from 2D video sequences using a temporal convolutional network to process body movement over time. The project includes a semi-supervised learning pipeline that improves pose accuracy by combining labeled datasets with unlabeled video data and projection consistency loss. It also features a video pose visualizer capable of rendering 3D skeleton reconstructions and 2D keypoints as overlays on original footage. The framework covers the

Leafer UI is a high-performance HTML5 canvas rendering engine and 2D vector graphics library. It utilizes a hierarchical scene tree to manage shapes, paths, and text, providing a toolkit for building interactive canvas applications and expansive infinite canvases. The engine is designed as a cross-platform canvas toolkit that decouples core logic from the drawing API, allowing it to run across web, mobile, server, and mini-program environments. It distinguishes itself by providing specialized tools for interactive graphic editor development, including hit detection, event bubbling, and transf

This project is a PyTorch implementation of a research architecture designed for high-resolution representation learning. It serves as a computer vision framework focused on precise keypoint detection, human pose estimation, and semantic image segmentation. The implementation provides specialized tools for identifying anatomical landmarks on the human body and predicting facial keypoint coordinates to analyze orientation and alignment. It utilizes a system of multi-resolution parallel streams and repeated multi-scale fusion to maintain high-resolution representations throughout the network.

Matplotlib is a Python data visualization library and 2D plotting engine used to generate publication-quality figures and charts from numerical data. It serves as a numerical graphics library and data visualization toolkit for mapping data to visual elements. The library provides capabilities for producing static, animated, and interactive visualizations. This includes creating high-resolution figures for professional documents, generating moving graphics to illustrate data evolution over time, and building dynamic plots for interactive data exploration. The toolkit supports scientific plott

Amethyst is a data-driven game engine written in Rust for building high-performance 2D and 3D games. It is built on an entity component system architecture that decouples game state from logic to enable parallel processing and reusable code. The framework features a glTF 3D renderer for importing scenes and geometry using physically based materials. It also serves as a multiplayer game framework, providing network transport abstractions and state synchronization for real-time online experiences. The engine covers a broad range of capabilities, including hybrid 2D/3D rendering, asynchronous a

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

pyJianYingDraft is a Python library used to programmatically generate and manipulate video project files compatible with CapCut and Jianying editors. It functions as an automation tool for creating video editing drafts, allowing users to assemble montage pipelines through code. The project enables the creation of video drafts by replacing media assets and updating text within existing project templates. It provides a programmatic interface to manage dynamic video templates, which preserves original formatting and timing while swapping specific materials. Capabilities include the management o

This project is an open-source video production suite and non-linear video editor. It provides a multi-track timeline for cutting, splicing, and arranging video and audio clips with frame-level precision, serving as a comprehensive workspace for video post-production. The suite includes specialized tools for keyframe animation, allowing for the creation of 2D and 3D visual effects and motion graphics. It also features a multi-track audio mixer for blending sound sources and adjusting levels to accompany visual content. Capability areas cover a full post-production workflow, including color c

Firefox is a cross-platform web browser engine designed to render web content, execute JavaScript, and manage secure browsing sessions. It utilizes a multi-process isolation architecture that distributes browser tasks across independent operating system processes to ensure stability and prevent site-specific failures from impacting the entire application. The engine incorporates a sandboxed execution environment to restrict web content and untrusted scripts to isolated memory compartments, enforcing security policies that prevent unauthorized access to system resources. The project distinguis