Open-source alternatives to UnityChanToonShaderVer2 Project

Trois is a declarative 3D scene manager and a Three.js component library for Vue 3. It acts as a reactive wrapper that maps Three.js scene graphs and materials to a Vue component tree, allowing for the creation of web-based 3D renderers using HTML-like templates. The project synchronizes a reactive component tree with a 3D scene graph through proxy-based state binding and reactive property mapping. It features a component-based scene graph that manages spatial transformations and object lifetimes, integrating a requestAnimationFrame loop with component lifecycle events. The library covers a

libigl is a C++ geometry processing library used for analyzing and manipulating 3D triangle and tetrahedral meshes. It functions as a numerical linear algebra suite and a mesh manipulation framework, integrating a geometric deformation engine to implement rigid and polyharmonic transformations. The project is distinguished by its header-only library design and its implementation of specialized deformation techniques, including rigid-as-possible and polyharmonic shape deformation. It also provides a visualization tool for rendering surfaces and scalar fields with interactive scene controls and

Vanta is a browser-based engine and library for rendering real-time, interactive 3D animations and stylized visual effects. It initializes and manages WebGL graphics within the HTML5 Canvas element to create animated digital art and dynamic backgrounds for web pages. The engine focuses on interactivity, mapping mouse and touch inputs to real-time visual changes. It provides configuration tools to adjust visual parameters, such as colors and animation properties, to align with specific branding and aesthetic requirements. The system handles the full animation lifecycle, including GPU renderin

This project is a custom lighting shader for the Unity Universal Render Pipeline designed to produce a non-photorealistic cartoon visual style. It serves as a technical example for implementing a toon shader and stylized lighting for 3D objects. The implementation achieves a cel-shaded aesthetic by replacing standard physically based rendering with a custom lighting model. It utilizes ramp-based light attenuation to map smooth gradients into discrete color steps. The project covers the development of HLSL shaders within the Universal Render Pipeline, focusing on fragment-stage lighting calcu

This project is a scientific visualization guide and data visualization framework designed for creating high-quality 2D and 3D figures for academic journals and scientific publishing. It provides a structured approach to designing precise layouts, coordinate systems, and typography for complex scientific data. The project features a specialized print-ready PDF workflow and a CMYK print production workflow. These systems translate digital RGB colors into printer-specific CMYK profiles to ensure visual accuracy for physical hardcover and softcover printing. It also serves as a guide for SVG dat

Renderer is a low-level software graphics engine implemented in standard C for educational and experimental real-time computer graphics. It functions as a CPU rasterizer that computes vertex transformations, clipping, texturing, and lighting entirely through software computation without requiring hardware acceleration. The software includes a geometry pipeline supporting depth and alpha testing, geometry clipping and culling, and perspective-correct attribute interpolation. Its lighting and shading subsystem provides advanced physical simulation including metallic-roughness and specular-gloss

f3d is a fast 3D model viewer and rendering engine designed for visualizing 3D meshes, CAD files, and point clouds. It operates across multiple deployment profiles, functioning as a lightweight desktop application, a scientific data visualizer for volumetric and scalar datasets, a headless rendering engine for automated image generation, and a WebAssembly-based renderer for web applications. The project distinguishes itself through specialized support for Gaussian Splatting scene reconstructions and the ability to visualize complex scientific formats such as VTK, NetCDF, and HDF. It features

EveryRay Rendering Engine is a high-performance graphics framework designed for real-time three-dimensional rendering. It utilizes a physically based deferred rendering pipeline to simulate realistic light behavior, incorporating global illumination, cascaded shadow mapping, and advanced volumetric effects to produce high-fidelity visual output. The engine distinguishes itself through a unified graphics abstraction layer that enables consistent performance across diverse hardware backends by translating high-level commands into specific instructions. It further optimizes complex environments

Orillusion is a WebGPU 3D rendering engine designed for high-fidelity scenes and visual effects in the browser. It functions as a GPU compute framework for parallel mathematical operations and a physically-based rendering graphics pipeline for realistic materials and surfaces. The system also includes a web-based 3D animation toolkit for driving skeletal animations and interpolating vertex positions. The engine is distinguished by its use of an entity component system for scene logic and a macro-based shader generation system that creates multiple shader variants. It optimizes performance thr

webgl-fundamentals is a comprehensive educational resource and graphics tutorial for learning hardware-accelerated 2D and 3D rendering using the WebGL API. It serves as a structured 3D graphics curriculum and GPU programming reference, guiding users through the graphics pipeline from basic geometry to advanced rendering techniques. The project provides detailed guides on GLSL shader development, including the creation of vertex and fragment shaders. It specifically focuses on the implementation of real-time lighting models—such as directional, point, and spot lighting—and the application of s

REFramework is a runtime modding framework for games built on the RE Engine, providing a C# plugin system with typed proxy code generation, a Lua scripting interface, an ImGui-based UI system, a runtime debugging toolkit, and a VR integration layer. At its core, it intercepts and modifies internal game engine functions and state at runtime through hooking and scripting APIs, enabling deep inspection and manipulation of live game objects. The framework distinguishes itself through typed proxy code generation that auto-creates C# interfaces from the game's type database, giving compile-time saf

This project is a suite of optimization plugins for Blender designed to process meshes, rigs, and textures for real-time rendering and avatar platforms. It functions as a mesh and rig optimizer that simplifies 3D models and provides specialized tools for importing and cleaning assets from formats such as MMD, Mixamo, and DAZ. The toolkit features a dedicated pipeline for preparing characters for VRChat and other social VR environments. It includes a texture atlas generator to merge multiple images into a single sheet to reduce draw calls, as well as dictionary-based translation services to co