Graphics 2,904 crates

embedded-bitmap-fontsA comprehensive collection of bitmap fonts no_std environments, with pixel-doubling support160Apache-2.0Embedded developmentGraphics graphitepdf-utilsLightweight utility functions for GraphitePDF and related Rust workflows.159non-standardGraphicsRendering blandPure-Rust library for paper-ready, monochrome, hatch-patterned technical plots in the visual tradition of 1960s-80s engineering…158MITGraphicsNo standard library lunar-imageLIF (.li) — lossless image format with planar layout, delta filter, and zstd compression158MPL-2.0Game enginesGraphics engawa-wgpuwgpu-backed Dispatcher impl for engawa render graphs. Compiles Material → wgpu::RenderPipeline; walks the compiled graph;…156MITGraphicsRendering ezu-graphTyped DAG evaluator for the Ezu Style Spec156MIT OR Apache-2.0Data structuresGraphics gessoDeterministic Wayland wallpaper daemon/controller155MITCommand line utilitiesGraphics stet-pdfPDF output device for stet PostScript interpreter155Apache-2.0 OR MITGraphics ezu-featuresGIS feature parsing (MVT, GeoJSON) for ezu154MIT OR Apache-2.0GraphicsParser implementations anvilkit-renderCross-platform rendering system built on wgpu and winit for AnvilKit game engine152MIT OR Apache-2.0Game developmentGraphics bmpf2fntParse Stranded II .bmpf bitmap font files and generate BMFont .fnt output152GPL-3.0-or-laterGame developmentGraphics bunny-linalgLinear algebra primitives for Bunny graphics contracts.151Apache-2.0Game developmentGraphics vulkan-rustErgonomic Vulkan bindings for Rust, generated from vk.xml150MIT OR Apache-2.0API bindingsGraphics pixlThe lightweight, powerful Rust game engine and rasterizer built from scratch150MITGame enginesGraphics wgpu-ffxAMD FidelityFX FSR 3 Upscaler for wgpu149MITGraphicsRendering starsight-layer-7Layer 7: Animation and export149GPL-3.0-onlyGraphicsScience polyopsFast Martinez-Rueda polygon clipping: Boolean operations (intersection, union, difference, xor) on polygons and multipolygons…149MITAlgorithmsGraphics text-glyphText shaping, glyph atlas, and measurement for the Glyph UI framework148MITGraphicsGUI puniyu-skia-safeSafe Skia Bindings for Rust148MITAPI bindingsGraphics vidi-chartsHigh-performance data visualization library for Rust, powered by Bevy148MIT OR Apache-2.0Game developmentGraphics hyprsaverA Wayland-native screensaver for Hyprland — fractal shaders on wlr-layer-shell overlays148MITGraphicsRendering dawn-codegenCode generator for Dawn WebGPU API147BSD-3-ClauseGraphicsGUI vulkan-headers-generatorGenerate the vulkan-headers crate147MIT-0API bindingsExternal FFI bindings delphitools-clidelphitools CLI — indie toolkit for designers (colour, image, PDF, type, calc)1470BSDCommand line utilitiesGraphics oxigdal-3d3D visualization, point clouds, and terrain mesh support for OxiGDAL144Apache-2.0GraphicsScience turtle_rsA lightweight, SVG-based Turtle graphics implementation for Rust, inspired by Python's turtle module.144MITGraphicsVisualization mermaid-corePure-Rust Mermaid diagram parser and SVG/PNG renderer — no browser, no Node144MIT OR Apache-2.0GraphicsParser implementations poincare-appInteractive 3D mathematical graphing application142MITGraphicsGUI rustial-engineFramework-agnostic 2.5D map engine for rustial142MITGame developmentGraphics scivex-gpuScivex — GPU-accelerated tensor operations via wgpu139MITGraphicsScience covk_sysLow-level unsafe vulkan bindings for Rust139MITAPI bindingsExternal FFI bindings raycoonMinimal 2.5D raycasting engine139MITGame enginesGraphics oxitext-sdfSigned-distance-field glyph atlas generation for OxiText139Apache-2.0GraphicsRendering neco-view2d2D view coordinate transform (pan / zoom)138MITGraphics gltf_optOptimize glb file by resizing textures and adjusting pivot points138MITGame developmentGraphics mesh-shellGenerate shells around 3D meshes using SDF-based offset138MIT OR Apache-2.0AlgorithmsGraphics game-toolkit-gfxwgpu rendering for game-toolkit: sprite/primitive/text batchers, tilemaps, 3D meshes, optional vello.138EUPL-1.2Game developmentGraphics zpdf-cliCommand-line tool for zpdf: info, dump, render, text, forms, compare138MITGraphicsParser implementations lumen-chartsGPU-accelerated charting library inspired by Lightweight Charts, built on Vello + wgpu138Apache-2.0GraphicsRendering bunny-geomGeometry primitives for Bunny graphics contracts.138Apache-2.0Game developmentGraphics block-mesh-bgmA block-mesh-compatible binary greedy mesher for voxel chunks, with optional AO-safe merging.138MIT OR Apache-2.0GraphicsRendering image-colorizer-coreMake wallpapers and images match a target colorscheme138MITGraphicsMultimedia::Images scenekit-rsSafe Rust bindings for Apple's SceneKit framework — scenes, nodes, animations, particles, audio, views, techniques, and offline…137MIT OR Apache-2.0API bindingsGraphics coreanimation-rsSafe Rust bindings for Apple's QuartzCore/CoreAnimation framework — layers, animations, display links, and offscreen Metal…135MIT OR Apache-2.0API bindingsGraphics rust-spout2Rust bindings for Spout2 on Windows.135MPL-2.0API bindingsGraphics myth_appApplication framework and windowing integration for the Myth engine.135MIT OR Apache-2.0Game developmentGraphics oxigdal-gpu-advancedAdvanced GPU computing with multi-GPU support, memory pooling, and shader optimization for OxiGDAL134Apache-2.0ConcurrencyGraphics oxigdal-ml-foundationDeep learning training infrastructure and model architectures for OxiGDAL - Transfer learning, training loops, optimizers, and…134Apache-2.0AlgorithmsGraphics rust-usdRust bindings to OpenUSD (pxr C++): stage open, prim/mesh attrs, variants, sublayer authoring, UsdShade read+write, ArResolver…133Apache-2.0API bindingsGraphics demiurg-viewViewport bridge: builds a roxlap scene + sprite set from a demiurg document and orbits a camera.133MIT OR Apache-2.0Game developmentGraphics ifc-lite-geometry-catGeometry processing and mesh generation for IFC models, built on comp-cat-rs132MIT OR Apache-2.0GraphicsParsing tools demiurg-i18nUI message catalogue and translations for the demiurg editor (native + web).132MIT OR Apache-2.0Game developmentGraphics figments-renderA high performance graphics hardware control layer for microcontrollers using the Figments rendering API131LGPL-2.1-or-laterEmbedded developmentGraphics mmd-rsA Rust parser for MikuMikuDance (MMD) model files131MITGraphicsParser implementations egui_markdownA markdown parser and renderer for egui131MIT OR Apache-2.0GraphicsGUI lunar-assetsasset system: Handle<T>, AssetServer, async loading, hot-reloading, font/audio/texture loaders131MPL-2.0Game enginesGraphics bevy-canvas-2dA fast chunked 2D pixel canvas for Bevy with dirty-rect GPU uploads130MITGame developmentGraphics chr-reatlasa renderer/reatlaser for CHR tables in .nes roms130MITGraphicsParsing tools exaecut-after-effectsHigh level bindings for the Adobe After Effects® SDK — Exaecut fork130Apache-2.0 OR BSD-3-Clause OR MIT OR ZlibGraphicsMultimedia::Video draco-ioRust IO helpers for Draco geometry compression formats130Apache-2.0CompressionEncoding ai-exrA no_std fork of exr129BSD-3-ClauseEncodingFilesystem embassy-ssd1306-graphicsPrimitives graphiques no_std pour écrans OLED SSD1306, ajoutant lignes, cercles, ellipses, triangles et courbes Bézier sans…129GPL-2.0-or-laterEmbedded developmentGraphics engvis-coreCore data types for engineering visualization127MITGraphicsRendering exaecut-premiereHigh level bindings for the Adobe Premiere® SDK — Exaecut fork127Apache-2.0 OR BSD-3-Clause OR MIT OR ZlibGraphicsMultimedia::Video ezu-paintPaint GIS features onto a hokusai surface for ezu127MIT OR Apache-2.0GraphicsRendering agg-guiImmediate-mode Rust GUI library with AGG rendering, Y-up layout, widgets, text, SVG, and native/WASM adapters127MITGraphicsGUI burn_reconstructionburn feed-forward gaussian splatting126MITComputer visionGraphics ui-themeA crate for working with UI theme types.126Apache-2.0 OR MITGraphicsGUI icy_sixel-cliCommand-line tool for encoding and decoding SIXEL graphics126MIT OR Apache-2.0Command line utilitiesGraphics mraphicsA rendering engine for exploring interactive and intuitive math126Apache-2.0GraphicsMathematics tuhkaNew up-to-date Vulkan bindings for Rust126MIT or Apache-2.0API bindingsExternal FFI bindings iced_nodegraph_sdfSegment-based SDF renderer for Iced with exact distance fields125MITGraphicsGUI eulumdat-photwebPhotometric web representation, sampling, and 3D mesh generation for EULUMDAT/IES lighting data124AGPL-3.0-or-laterGraphicsRendering pdfkit-rsSafe Rust bindings for Apple's PDFKit framework — documents, pages, selections, outlines, annotations, destinations, actions, and…124MIT OR Apache-2.0API bindingsGraphics rand_hsvGenerate random HSV/HSVA colors with configurable ranges.124MITDevelopment toolsGraphics flexqA flexible command-line QR code generator with SVG, PNG, WiFi, and vCard support124MIT OR Apache-2.0Command line utilitiesGraphics rand_lchGenerate random CIELCH colors with configurable ranges.123MITDevelopment toolsGraphics bevy_open_vatOpenVAT (Vertex Animation Texture) plugin for Bevy123MIT OR Apache-2.0Game developmentGraphics rand_oklabGenerate random Oklab colors with configurable ranges.122MITDevelopment toolsGraphics rand_oklchGenerate random Oklch colors with configurable ranges.122MITDevelopment toolsGraphics graphitepdf-renderMinimal render command generation for GraphitePDF.121non-standardGraphicsRendering nsi-traitCore traits and types for the Nodal Scene Interface – ɴsɪ.121MIT OR Apache-2.0 OR ZlibGraphicsMultimedia::Images rand_hwbGenerate random HWB colors with configurable ranges.121MITDevelopment toolsGraphics rand_labGenerate random CIELAB colors with configurable ranges.121MITDevelopment toolsGraphics rand_color_convertColor conversion strategy and helpers for rand_color workspace.121MITDevelopment toolsGraphics rustitchPES embroidery file parser and thumbnail renderer121MITGraphicsParser implementations typf-render-colorColor glyph renderer for Typf (COLR v0/v1, SVG, sbix/CBDT bitmap)121Apache-2.0GraphicsRendering aura-anim-icedIced integration for the aura typed animation runtime.119MITGraphicsGUI cube-commandCreate a cube with a meaning in no time119non-standardGraphicsRendering neco-cdt2D Constrained Delaunay Triangulation with exact geometric predicates119MITAlgorithmsGraphics oxigafPure Rust Gaussian Avatar Reconstruction — unified API118Apache-2.0GraphicsMultimedia qr-label-generatorRust library to generate QR code images, with batch generation support from JSON and CSV files. Includes warehouse label…118MIT OR Apache-2.0Command line utilitiesEncoding polyscope-rsA Rust-native 3D visualization library for geometric data118MITGraphicsRendering stet-viewerInteractive egui desktop viewer for PostScript, EPS, and PDF files118Apache-2.0 OR MITGraphicsGUI facet-eguiAn egui inspector/editor widget for any type that implements Facet117MIT OR Apache-2.0GraphicsGUI geodesic-wallpaperReal-time geodesic flow live desktop wallpaper for Windows, powered by wgpu and RK4 integration on analytic Riemannian surfaces.116MITGraphicsRendering dkdc-draw-webappWebapp for draw (axum)116MITGraphicsWeb programming cadmpeg-codec-f3dDecode and encode Autodesk Fusion .f3d B-rep, design, and appearance data.116Apache-2.0EncodingGraphics cadmpeg-codec-catiaRead geometry and topology from .CATPart files.116Apache-2.0EncodingGraphics vx-gpuShared-memory Metal buffer management for Apple Silicon UMA115MITGraphicsOperating systems::macOS APIs navy-swashFont introspection, complex text shaping and glyph rendering.115Apache-2.0 OR MITGraphicsText processing cadmpeg-codec-creoInspect Creo PSB .prt files and decode model-space datum planes.115Apache-2.0EncodingGraphics mbgl-sysLow-level FFI bindings to MapLibre GL Native for server-side map rendering114MIT OR Apache-2.0External FFI bindingsGraphics figurehead-cliCLI tool to convert Mermaid.js diagram markup into ASCII diagrams114MITCommand line utilitiesGraphics dwemer_poolroomsDwemer Poolrooms: austere egui chrome over living GPU water surfaces114MITGraphicsGUI apple-mpsgraphSafe Rust bindings for Apple's MetalPerformanceShadersGraph framework on macOS, backed by a Swift bridge114MIT OR Apache-2.0API bindingsGraphics coreimageSafe Rust bindings for Apple's CoreImage framework — GPU-accelerated image processing on macOS114MIT OR Apache-2.0API bindingsGraphics cadmpeg-codec-nxRead Parasolid geometry and topology from NX .prt files.114Apache-2.0EncodingGraphics egui-keyframeKeyframe animation and curve editing widgets for egui113MIT OR Apache-2.0Game developmentGraphics ctt-cliCommand-line interface for the ctt texture compression library113MIT OR Apache-2.0 OR ZlibCommand line utilitiesGraphics ratscadCAD for the terminal113MITCommand line utilitiesGraphics plumesplatAdvanced terrain splatting for Bevy with support for 256+ materials using texture arrays112MIT OR Apache-2.0Game developmentGraphics frustum-renderGPU rendering backend for Frustum using wgpu112MITGraphicsRendering graphicilityA Minimal Graphics Library111MITGraphicsGUI psf2-fontPSF2 (PC Screen Font v2) parser with embedded Terminus Unicode font for no_std environments111Apache-2.0Embedded developmentGraphics esoc-colorOKLab/OKLCH color system — perceptual color math, CVD simulation, palettes, gamut clipping111MIT OR Apache-2.0GraphicsVisualization colr-typesColor model ZSTs and marker traits for colr.110MIT OR Apache-2.0GraphicsMultimedia acadlispAutoLISP interpreter and mini CAD engine - CSV/TPL/LSP workflow emulator for AutoCAD 9/10 (DOS era)110MITGraphicsMathematics wgpu-lib-for-aiheadress GPGPU pipeline for AI110MITGraphicsScience foveaA high-precision, type-safe computer vision library guaranteeing absolute image correctness at compile time109MITComputer visionGraphics imposerA Rust library and CLI for imposing single-sheet PDFs into booklet layouts with configurable n-up binding.109MITCommand line utilitiesGraphics bexa-ui-renderGPU rendering backend for BexaUI — wgpu + glyphon text rendering109MITGraphicsGUI mesh-gpuGPU-accelerated mesh processing using WGPU compute shaders108MIT OR Apache-2.0AlgorithmsGraphics bl-wgpu-utilPersonal utility library for wgpu applications: depth buffers, viewports, image/texture helpers, and a flexible renderer…107MIT OR Apache-2.0GraphicsRendering flutter_wgpu_texture_coreCore trait and scene registry for flutter_wgpu_texture107MITGraphicsRendering nsi-ffi-wrapFFI wrapper and macro for NSI-compliant renderers – ɴsɪ.106MIT OR Apache-2.0 OR ZlibGraphicsMultimedia::Images lupin_ptA WGPU Path Tracing Library106MITGraphicsRendering sensusCLI for sensus: simulate sensory perception (color blindness, low vision, hearing loss) on images105MITAccessibilityCommand line utilities hqxhigh-quality pixel-art image magnification (2x/3x/4x upscaling)105LGPL-2.1-or-laterGraphicsMultimedia::Images vkaA minimal vulkan wrapper104MITGraphics wintfWindows Tategaki Framework - Rust UI library with Japanese vertical text support104MITGraphicsGUI linux_theme🦀🦀 Obtain the current color theme in your system! 🎨🎨104MIT OR Apache-2.0GraphicsGUI spectro-guiGraphical User Interface for the spectro-rs spectrometer driver suite104GPL-3.0GraphicsHardware support raclettuiBuild terminal-themed wayland layer shell applications with Rust.104MIT OR Apache-2.0GraphicsGUI graphplotEfficient graph visualization tool for large graphs and networks. Generates high-quality SVG plots (or PNG/PDF), supporting…104MITData structuresGraphics monstertruck-wasmWebAssembly/JavaScript bindings103Apache-2.0Graphics milsymbol-rsA Rust wrapper for the milsymbol JavaScript library to generate military symbols (MIL-STD-2525 and APP-6).103MITAPI bindingsGraphics cadmpeg-stepSerialize cadmpeg IR documents as ISO 10303-21 STEP AP214 files.103Apache-2.0EncodingGraphics hot-glyphHot-reload dylib loader for the Glyph UI framework102MITGraphicsGUI gpuikitA UI toolkit for GPUI applications102MIT OR Apache-2.0GraphicsGUI draco-gltfLoad and save full glTF scenes with Draco geometry, bridging gltf-rs and draco-core/draco-io102Apache-2.0CompressionGraphics cadmpeg-codec-sldprtRead and write SolidWorks .sldprt part geometry, metadata, and feature records.102Apache-2.0EncodingGraphics graphitepdf-rendererMinimal renderer backend abstraction for GraphitePDF.101non-standardGraphicsRendering graphitepdf-styleCompatibility style facade types for GraphitePDF.101non-standardGraphicsRendering motif_coreCore types and rendering primitives for the motif UI framework101MIT OR Apache-2.0GraphicsGUI vulkane_deriveDerive macros for the vulkane Vulkan bindings crate. Provides #[derive(Vertex)] for automatic vertex input layout generation.101MIT OR Apache-2.0Development tools::Procedural macro helpersGraphics htvg-coreJSON element tree to SVG compiler with correct text layout100MIT OR Apache-2.0GraphicsRendering iced_nodegraphHigh-performance node graph editor widget for Iced with SDF-based rendering100MITGraphicsGUI breezeA wrapper around Bevy for easier game development.100MITGame developmentGame engines apple-mpsSafe Rust bindings for Apple's MetalPerformanceShaders framework on macOS, backed by a Swift bridge99MIT OR Apache-2.0API bindingsGraphics oil-scaleFast, streaming image resizer with sRGB-correct interpolation and low memory usage99MITGraphicsMultimedia::Images bnto-vectorSVG rasterization for Bnto engine — parses SVG and renders to pixels99MITGraphicsMultimedia::Images bevy_erosion_filterGPU-friendly per-fragment erosion filter for Bevy, ported from Rune Skovbo Johansen's Shadertoy.99MPL-2.0Game developmentGraphics justpdfPure Rust PDF engine - read, render, extract, create, modify98MIT OR Apache-2.0GraphicsParser implementations backdrop-blur-coreBackend-agnostic seam, material/geometry vocabulary, and error model for backdrop blur (frosted glass). The one crate with no GPU…98MIT OR Apache-2.0GraphicsGUI suzuriText rendering library98MIT OR Apache-2.0GraphicsGUI glyphr-typesShared public types for glyphr and glyphr-macros98Apache-2.0Embedded developmentGraphics anvilkit-cameraAnvilKit camera system - FPS, third-person, orbit, and free camera controllers with effects97MIT OR Apache-2.0Game developmentGraphics render-glyphwgpu GPU renderer for the Glyph UI framework97MITGraphicsGUI starsightA unified scientific visualization crate for Rust — from zero-config one-liners to GPU-accelerated interactive 3D.96GPL-3.0-onlyGraphicsScience voxjCore types for the Voxel Json (.voxj / .voxjz) format.96non-standardData structuresGame development anvilkit-audioCross-platform audio playback built on rodio for AnvilKit game engine95MIT OR Apache-2.0Game developmentGraphics aura-anim-macrosDerive macros for aura animation values.95MITGraphicsGUI miniscreenshot-waylandWayland (wlr-screencopy-v1) screenshot helper for the miniscreenshot ecosystem.95EUPL-1.2 OR MIT OR Apache-2.0GraphicsMultimedia::Images myth-engineA developer-friendly, high-performance 3D rendering engine written in Rust.95MIT OR Apache-2.0Game developmentGraphics ezuPainterly cartography engine: render vector tiles as paintings (umbrella crate)95MIT OR Apache-2.0GraphicsRendering qjl-sketchQJL sign-based vector compression and scoring with near-optimal distortion rate95MIT OR Apache-2.0AlgorithmsCompression vinitZero-cost, type-safe Vulkan initialization with compile-time guarantees94non-standardGraphics klyff_msdfMSDF generation library with optional GPU acceleration.94MITGraphicsRendering graphitepdf-template-macrosProc-macro support for GraphitePDF template authoring.94non-standardGraphicsRendering button_libA simple library for buttons with macroquad.94GPL-3.0-or-laterGame developmentGraphics rustyhdf5-gpuGPU-accelerated vector operations for rustyhdf5 using wgpu compute shaders93MITGraphicsScience colrA general purpose, extensible color type unifying color models and their operations at the type level.93MIT OR Apache-2.0GraphicsMultimedia rskit-media-imageNative image processing backend using the image crate92MITGraphicsMultimedia egui-screensaver-fractal-clockFractal clock screensaver for egui — recursively branching clock hands92MIT OR Apache-2.0GraphicsGUI uzor-frameworkuzor-framework: end-to-end app runner — owns winit, windows, chrome, GPU pipeline, screenshot, backend autodetect. Apps register…91MIT OR Apache-2.0GraphicsGUI plotine-coreCore geometry, color, transforms, scales, and ticks for plotine91MITGraphicsVisualization jl-ui-procmacroProcedural macros for jl_UI, providing code generation and compile-time utilities91GPL-3.0Game developmentGraphics egui-screensaver-mystifyMystify screensaver for egui — bouncing quadrilaterals with colour-cycling trails91MIT OR Apache-2.0GraphicsGUI xen-animationa high-performance animation library in rust91Apache-2.0Game developmentGraphics ui-glyphDesign system: color palette, spacing tokens, typography, and component library for Glyph90MITGraphicsGUI oxihumanPrivacy-first, client-side human body generator in pure Rust — MakeHuman-compatible independent implementation (facade crate)90Apache-2.0GamesGraphics use-colorComposable primitive color utilities for Rust.90MIT OR Apache-2.0Graphics lunar-3d3d components and systems for lunar — transform hierarchy, camera, mesh, material, lighting90MPL-2.0Game enginesGraphics crttyPost-processing shader framework for OpenGL apps via LD_PRELOAD89MITGraphicsRendering uzor-window-hubuzor-window-hub: unified window provider hub. Selects desktop / web / mobile platform crate via feature flags. Mirrors…89MIT OR Apache-2.0GraphicsGUI lepticons-dataLucide icon data, search, and categories -- framework-agnostic core for the Lepticons toolkit.89MITGraphics rayxFast ray intersection using Baldwin-Weber algorithm88BSD-3-ClauseAlgorithmsGame development smelt-termTerminal rendering library: Grid, Compositor, LayoutTree, diff-flush renderer.87MITCommand-line interfaceGraphics bevy_retro_shadersRetro post-processing shaders for Bevy - CRT effects, scanlines, and glitch effects86MITGame developmentGraphics setrootA library for setting desktop background image86LGPL-3.0-or-laterGraphicsGUI egui-screensaver-matrixMatrix digital rain screensaver for egui, ported from Rezmason's WebGL original86MIT OR Apache-2.0GraphicsGUI tellurDeclarative video authoring in Rust: vector, raster, and timeline components with GPU rendering86MITGraphicsMultimedia::Video cadmpegInspect, decode, validate, compare, and convert CAD models.86Apache-2.0Command line utilitiesEncoding dioxus-threeA Three.js 3D model viewer for Dioxus - supports Desktop, Web (WASM), and Mobile85MIT OR Apache-2.0GraphicsGUI neco-colorzero dependency color space conversion utilities (sRGB gamma, HSL, CCT)85MITGraphicsMultimedia::Images hotspotsA lightweight Rust library for working with 2D rectangular hotspots with support for pixel and percentage-based coordinates84MIT OR Apache-2.0AlgorithmsData structures manifold-rustPure Rust port of the Manifold 3D geometry library84Apache-2.0AlgorithmsGraphics hypertriHyperreal-backed triangulation algorithms with exact geometric predicates84MIT OR Apache-2.0AlgorithmsGraphics imaginuAI-drivable procedural 3D asset compiler: JSON recipes -> beautiful game-ready GLB for Babylon.js83MITCommand line utilitiesGame development