Open-source alternatives to Godot Shaders

This project is an educational platform and technical reference for learning real-time graphics programming through the development of custom shaders. It provides a comprehensive guide to the programmable graphics pipeline, offering a collection of tutorials and interactive examples that demonstrate how to manipulate coordinate spaces, manage buffer data, and implement complex rendering techniques in 3D environments. The repository distinguishes itself as a versatile toolkit for both photorealistic and non-photorealistic rendering. It includes modular implementations for stylized aesthetics s

Lygia is a GLSL shader library providing a specialized suite of tools for color science, image filtering, noise generation, and implicit surface geometry. It serves as a collection of reusable functions for fragment shaders to handle color space conversion, image processing, and geometric rendering. The project is distinguished by its focus on cross-language shader management, allowing reusable functions to be synchronized across different shading languages to ensure consistent graphics behavior across multiple engines. It also implements a system for remote shader dependency resolution, fetc

This project is a curated collection of HLSL shader code, templates, and visual effects implementations for the Unity game engine. It serves as a repository of programmable surface shaders and a guide for building materials, lighting, and blur simulations. The collection includes a library of screen-space post-processing effects and filters designed to polish final render outputs. It provides a structured resource of examples and tutorials to assist in the development of custom shaders and technical art. The project covers the implementation of game visual effects, Unity post-processing, and

react-native-skia is a cross-platform graphics framework that provides a high-performance 2D graphics engine for rendering shapes, paths, and images. It functions as a vector graphics engine and UI animation toolkit, allowing for hardware-accelerated visuals across mobile and web platforms. The project is distinguished by its integration of the Skia 2D graphics library, enabling a shader and filter pipeline for complex pixel-level effects. It supports the rendering of Lottie animations exported from After Effects and the execution of animations directly on the UI thread to maintain fluid moti

Phaser is a cross-platform 2D web game engine and framework designed for creating interactive experiences that run on desktop and mobile web browsers. It serves as a GPU-accelerated rendering library and WebGL graphics engine for building two-dimensional games using HTML5 Canvas and WebGL. The engine features a dual-backend rendering pipeline that allows developers to switch between rendering paths. It distinguishes itself through high-performance graphics capabilities, including GPU-driven sprite batching for large-scale image management, a dynamic lighting system with self-shadows, and the

WebGLStudio.js is a browser-based IDE and graphics editor for creating 3D scenes, textures, and animations using WebGL. It functions as a spatial design environment where users can arrange 3D meshes and assets directly within the browser to build interactive visual experiences. The project features a visual shader graph editor that allows for the development of custom rendering effects and post-processing shaders through a node-based interface. It also includes a virtual file system for organizing 3D models, audio, and textures, and uses URL-state serialization to share entire project configu

Blotter is a WebGL text rendering engine and fragment shader text visualizer. It provides a system for composing and previewing stylized text effects by applying custom GLSL fragment shaders to text elements on a web canvas. The project includes a shader editor for defining and updating custom shader logic and uniforms in real time. This interface allows for the creation of unique visual styles and the modification of rendering variables without reloading the underlying logic. The engine incorporates performance optimizations for WebGL rendering, utilizing texture atlas batching and a single

This repository is a comprehensive collection of functional 2D and 3D demo projects and implementation samples for the Godot Game Engine. It serves as an interactive tutorial and reference library, providing a working codebase to demonstrate how to apply engine features in real-world scenarios. The collection focuses on practical implementation guides, covering a wide array of technical capabilities from basic engine fundamentals to advanced rendering and scripting techniques. It allows users to study the application of node-based composition, asset pipelines, and game logic through direct ex

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

Murder is an entity component system game engine designed for 2D game development. It provides a core framework for managing game objects through an ECS architecture and includes a dedicated 2D game editor for asset management and real-time property configuration. The engine features a specialized 2D rendering pipeline supporting pixel art, sprite slicing, and parallax effects. It includes a hierarchical A* pathfinding system for agent navigation and a comprehensive asset management system for serializing and loading game resources. The project covers a broad range of capabilities, including

Endless Sky is an open-source space trading simulation, 2D space combat simulator, and narrative exploration game. It functions as a plugin-based game engine that allows users to explore a vast universe, engage in tactical ship battles, and progress through a central plot within a sandbox environment. The project is distinguished by its highly moddable architecture, utilizing a directory-based plugin system and data-driven entity definitions to allow for content extensions and behavior overrides without recompiling source code. It further supports visual customization through programmable ver

Filament is a real-time physically based rendering engine designed for high-fidelity 3D graphics. It functions as a cross-platform graphics library that provides a unified interface for rendering complex models and materials across desktop, mobile, and web environments. The engine distinguishes itself through a data-oriented architecture that optimizes memory usage and processing speed, alongside a shader-variant system that generates specialized code for specific material and lighting configurations. By abstracting diverse hardware graphics backends, it ensures consistent visual performance

ogl is a WebGL graphics library and 3D scene graph engine designed for rendering three-dimensional scenes. It provides a lightweight framework for managing geometries and coordinating spatial transformations within a hierarchical system. The project includes a PBR shader system for creating realistic materials and a GPGPU computation framework for performing large-scale general-purpose calculations and particle simulations on the graphics processor. It also features a post-processing suite for applying visual filters to rendered scenes via frame buffers. The library covers broader capabiliti

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

This repository is a comprehensive collection of reference implementations and sample libraries for the Universal Windows Platform. It provides practical examples of how to use Windows Runtime APIs to build cross-device applications, including detailed guidance on XAML-based declarative user interfaces and DirectX-integrated rendering. The project distinguishes itself by providing a wide array of hardware integration suites, covering low-level communication with USB, Serial, I2C, SPI, and GPIO peripherals. It includes specialized implementations for mixed reality holographic rendering, advanc

Sodium is a Minecraft performance optimization project that replaces the default rendering engine to increase frame rates and reduce stutter. It functions as a game rendering modification that applies runtime patches to the engine to change how graphics are displayed. The project provides a customizable settings registry, allowing for the addition of new configuration options to the video menu so other extensions can integrate their own visual settings. The rendering system implements chunk-based culling logic and buffer-based geometry caching to minimize draw calls and reduce CPU overhead.

ShaderForge is a web-based GPU tool and visual GLSL shader editor. It serves as a node-based shader designer that allows users to construct programs for the graphics processor by connecting logic blocks in a directed acyclic graph rather than writing manual code. The tool functions as a technical art workflow bridge for creating game assets and surface materials. It provides a browser-based environment for real-time authoring, featuring instant GLSL compilation and live hot-reloading of GPU programs. The system converts visual graph connections into GLSL source code using abstract syntax tre

StreamFX-Public is a collection of OBS Studio plugins and software components designed for broadcast enhancement. It provides a suite of visual effects, filters, hardware-accelerated encoders, and professional video encoding tools to expand the capabilities of the host application. The project distinguishes itself through the support of professional mezzanine video codecs, including DNxHR, ProRes, and Cineform, for high-fidelity post-production editing. It also implements hardware-accelerated recording via GPU cores and AMD AMF to reduce CPU overhead during live broadcasts. The toolset cover

GPUImage is a GPU-accelerated image processing framework for iOS designed to apply real-time filters and effects to images and video. It functions as a processing engine and fragment shader library that manages textures and shaders for efficient visual data manipulation. The framework utilizes a chainable filter architecture and a texture-based data pipeline to pass image data between processing stages without expensive memory transfers. It enables the creation of bespoke visual effects through the authoring of custom fragment shaders and provides mechanisms to synchronize texture data with e

LearnOpenGL is an educational resource and collection of C++ graphics implementations designed to teach the OpenGL graphics API. It provides code samples and reference implementations for real-time rendering, focusing on the creation of 2D and 3D visuals. The project includes practical examples of GLSL shaders for rendering 3D geometry and visual effects. These implementations are organized as a cross-platform graphics project, allowing the code to be built and executed across different operating systems. The repository covers the fundamental concepts of graphics programming, including shade

PostProcessing is a post-processing stack for the Unity game engine designed to apply image-space visual effects and color grading to rendered scenes. It functions as a real-time image effect pipeline that processes frames after the primary 3D geometry has been drawn. The system includes a screen space visual effects library and an HDR color grading toolset used to adjust high dynamic range colors and contrast. These tools allow for the application of real-time image filtering to modify lighting, colors, and mood. The framework supports 3D scene post-processing and game environment polishing

This project is a reference library of HLSL shader implementations and source code examples for Unity. It provides a collection of practical samples focused on lighting, coordinate transformations, and rendering passes for 3D graphics. The repository demonstrates the application of 3D rendering mathematics, specifically using vector and matrix calculations to determine light directions and coordinate space transformations. It includes implementations for managing multi-pass rendering pipelines and mapping coordinates between object, world, and view spaces. The material covers foundational gr

Graphics is a high-performance graphics engine and rendering infrastructure designed to configure and optimize high-fidelity graphics across diverse hardware and target platforms. At its core, the project provides a scriptable graphics framework that allows developers to write custom render loops and visual passes in C#. The platform enables the development of custom render pipelines and tailored rendering loops using scriptable architectures. It supports graphics pipeline optimization to achieve specialized visual outputs across different gaming platforms. Additionally, the system includes

Blockbench is a specialized low-poly 3D modeler and texture painter designed for creating models and pixel art textures. It functions as an extensible 3D editor that allows for the production of assets intended for game engines and rendering software. The editor is distinguished by its plugin-based architecture, which enables the development of custom scripts to automate design workflows and add specialized tools. It further integrates a texture painting system that applies pixel art directly onto 3D meshes to achieve a stylized aesthetic. The software covers high-quality 3D rendering for pr

GPUImage2 is a Swift framework for applying real-time filters and effects to images and video using the GPU. It provides a real-time video filter library, an image geometry manipulation engine, and an OpenGL shading pipeline for processing visual data on graphics hardware. The framework enables the construction of visual effect pipelines by chaining image sources to consumers in sequential flows. It supports the development of custom fragment and vertex shaders for bespoke image processing and offers the ability to bundle these operations into reusable units via graph-based grouping. Capabil

PixiEditor is a multi-functional graphics suite that serves as a pixel art editor, a node-based graphics editor, and a vector graphics tool. It functions as a shader-based painting tool and 2D animation software, providing a comprehensive environment for creating raster images and frame-by-frame motion. The project is distinguished by its use of node-based workflows for building complex image transformations, visual effects, and custom digital brush designs. It utilizes a shader-based brush engine and a node graph to define personalized painting tool behaviors and procedural animations. The

Iris is a graphics modifier and OpenGL shader engine for Minecraft. It functions as a tool for improving visual fidelity and lighting effects by loading and rendering shader packs through custom pipelines. The project serves as a compatibility layer for modded environments, ensuring that high-fidelity shaders run stably alongside other game modifications without causing software conflicts or crashes. It also acts as a render performance optimizer to maximize GPU utilization and maintain stable frame rates while processing complex visual effects. The system utilizes real-time render intercept