Hiroaki Yutani

lorax. R functions and methods to extract elements of tree- and rule-based models.

maplibre-transition. Maplibre Transition Plugin

alum. Halfedge mesh library in Rust

pixelgpt-24x24. Tiny local text-to-24x24 pixel art model, trained on roughly 200K samples in 30 minutes on an RTX 5090.

geozarr. R library for the GeoZarr domain on top of the Zarr specification

topcoat. A batteries-included framework for building web apps

meshtryoshka. Code for "Meshtryoshka: Differentiable Rendering of Real-World Scenes via Mesh Rasterization"

moddoBoards-SAMD. Arduino core (board support package) for moddo's SAMD-based boards

isprs26-embeddings-tutorial. Notebooks, code and documents for the ISPRS Congress tutorial on Earth embeddings

txm. Terminal Math rendering engine

duckdb-adbc-client. ADBC Client for DuckDB

nexus. 2D and 3D cross-platform GPU multi-physics engine in Rust

PMTiles. Pyramids of map tiles in a single file on static storage

gbafix. A port of the gbafix C utility into Rust.

openfpga-GBA. VHDL

gba-tutorial. Linker Script

agb. Library for writing Game Boy Advance games in Rust

3DTilesRendererJS. Renderer for 3D Tiles in Javascript using three.js, Babylon.js, and r3f

safe_unaligned_simd. Safe wrappers for unaligned SIMD load/store operations

lore. Lore is a next-generation, open source version control system

gsi-3d-2025. TypeScript

merman. Mermaid.js, but headless, in Rust.

coreutils. Coreutils for Windows: Installer & Packaging

navara. A flexible 3D globe map engine for building interactive, customizable, and data-driven geospatial experiences.

libzstd-rs-sys. C

argmin. Numerical optimization in pure Rust

basin. Numerical optimization in Rust, with pluggable linear-algebra backends and WASM support.

tulipcc. The Tulip Creative Computer and AMYboard - portable Python synthesizers

mimium-audio-plugin. Rust

modern-web-guidance.

ggpointgrid. R Package - Rearrange scatter plot points on a regular grid

buffa. Rust implementation of protobuf with editions support, JSON serialization, and zero-copy views

connect-rust. An implementation of the ConnectRPC protocol for Rust

mlt-3d.

maplibre-native-ffi. An experimental C API for MapLibre Native, built for low-level language bindings and host integrations that need a C boundary instead of direct C++ interop.

duckdb-quack. C++

gpui-component. Rust GUI components for building fantastic cross-platform desktop application by using GPUI.

gba. A crate that helps you make GBA games

cuda-oxide. cuda-oxide is an experimental Rust-to-CUDA compiler that lets you write (SIMT) GPU kernels in safe(ish), idiomatic Rust. It compiles standard Rust code directly to PTX — no DSLs, no foreign language bindings, just Rust.

mgba. mGBA Game Boy Advance Emulator

pacquet. The official pnpm rewrite in Rust

vfx-js. WebGL effects made easy.

quickcheck. Automated property based testing for Rust (with shrinking).

raylib. A simple and easy-to-use library to enjoy videogames programming

ggsql-duckdb. A DuckDB extension adding support for ggsql

resonators. Rust implementation of the Resonate algorithm for low-latency spectral analysis, with Python and WebAssembly bindings

agribound. An AI-powered field boundary delineation toolkit combining satellite foundation models, embeddings, and global training data for accurate agricultural parcel/field boundary mapping.

varc-rcjk. VariableComposites builder for rCJK font sources

satoru-cloudflare-ogp. Sample OGP Image Generation Using Cloudflare Workers

mori. Shared Memory for R Objects

tailscale-rs. Rust implementation of Tailscale (preview, experimental)

great-docs. Documentation sites for Python packages: start simple, go deep

dithr. Buffer-first rust dithering and halftoning library.

skills. Claude Code Skills for Tidymodels

sem. Semantic version control => entity-level diffs, blame, and impact analysis on top of git. 28 languages via tree-sitter. Built for coding agents.

BlossomColorPicker. A beautiful, blooming color picker for Web, built with pure CSS and compatible with JS, React, Vue, Svelte, and Angular.

slopc. A proc macro that uses an hallucination machine to write your function bodies at compile time.

wkt-parser. parse all the wkt

meshoptimizer. Mesh optimization library that makes meshes smaller and faster to render

spatial. Zarr Convention for describing the relationship between positional indexes and spatial coordinates

tachyonfx. Effects and animation library for Ratatui applications

ratatui-image. Ratatui widget for rendering image graphics in terminals that support it

vite-plus. Vite+ is the unified toolchain and entry point for web development. It manages your runtime, package manager, and frontend toolchain in one place.

sail. Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and compute-intensive AI workloads.

multistore. Components to build an S3 API Gateway

ktx2. ktx2 parsing library

miasma. Trap AI web scrapers in an endless poison pit.

MIDI_USB_CONTROLLER. Turn your synth into a MIDI USB Controller

Slug. Reference code for the Slug Algorithm.

slug-webgpu. WebGPU implementation of Eric Lengyel's Slug algorithm for resolution-independent vector text rendering on the GPU

lucide. Beautiful & consistent icon toolkit made by the community. Open-source project and a fork of Feather Icons.

datafusion. An ADBC driver for Apache Datafusion

mlt_3d_tile_schema. A schema proposal for 3D tiles support in MLT (MapLibre Tile format)

guillotiere. A dynamic texture atlas allocator with fast deallocation and rectangle coalescing.

openpbr-bsdf. Adobe's reference implementation of the OpenPBR BSDF

libimagequant. Palette quantization library that powers pngquant and other PNG optimizers

crs-definitions. Rust crate containing CRS definitions

backproj. TypeScript

skills. A collection of Claude Skills from Posit

tsify. A library for generating TypeScript definitions from rust code.

hyperfine. A command-line benchmarking tool

kuva. A scientific plotting library in Rust

geopacker. Geopacker is a QGIS plugin designed to solve the headache of broken paths when sharing QGIS projects. It bundles your entire current project (.qgz), vector layers, and raster layers into a single, clean .zip file ready to be shared.

MODISTools. Interface to the MODIS Land Products Subsets Web Services

kimojio-rs. A thread-per-core Linux io_uring async runtime for Rust optimized for latency.

earcut. A Rust port of the Earcut polygon triangulation library

boolmesh. Robust mesh boolean library in pure Rust

geo-assistant. Template for a Geo enabled agent

maplibre-tile-spec. Next generation map vector tiles format

laz-rs. Rust implementation/translation of LAZ (Laszip) compression

PROJ. PROJ - Cartographic Projections and Coordinate Transformations Library

geotiff2pmtiles. Go

os3a-gallery. A curated discovery platform for high-quality, freely available 3D assets (GLB format). Browse hundreds CC0 models with clear open source licensing. Built with Next.js, Three.js, and TailwindCSS.

picovdb. Compact sparse volumetric data format

q2. q2 is the experimental implementation of Quarto 2 in Rust.

kumoy-qgis-plugin. QGIS plugin for managing Kumoy projects

stac. Creates Overture Maps Foundation manifest files for release cataloguing

actions-up. 🌊 Interactive CLI tool to update GitHub Actions to latest versions with SHA pinning

jgdtrans-rs. Unofficial coordinate transformer by GIAJ par file for Rust

async-geotiff. Fast, async GeoTIFF and COG reader for Python

point-tiler. A tool for converting PointCloud data (las/laz and csv) into "3D Tiles v1.1".

stac-map. A map-first STAC search and visualization tool, with stac-geoparquet support

RustCV. A native, pure-Rust computer vision framework focused on memory-safety, high performance, and modern abstractions.

mermaid-ascii. Render Mermaid graphs inside your terminal

js-bindgen. Rust

arf. Alternative R Frontend — a modern R console written in Rust

vt-optimizer-rs. A fast CLI to inspect and optimize MBTiles/PMTiles vector tiles

zero. Serverless weather globe rendering ECMWF forecasts in browser using WebGPU

personaplex. PersonaPlex code.

minarrow. Fast, minimal, and ergonomic zero-copy Apache Arrow tabular data implementation in Rust, with PyO3, Python bindings, NdArray, XArray, shared-memory and low-latency SIMD for data-engineering and columnar workloads. Bridge to Polars and Arrow-rs over FFI effortlessly.

meshopt-rs. Rust ffi and idiomatic wrapper for zeux/meshoptimizer, a mesh optimization library that makes indexed meshes more GPU-friendly.

rv. Rust

mermaid-rs-renderer. A fast native Rust Mermaid diagram renderer. No browser required. 500-1000x faster than mermaid-cli.

gdalxarray. GDAL backend for xarray, enabling Classic or Multidim on pypi: https://pypi.org/project/gdalxarray/

eo-predictor. Predicts and visualizes upcoming potential EO images

geotiff-test-data. Test data for geotiff parsers

HowToVulkan. Minimalist tutorial and code for doing something meaningful with Vulkan in 2026

shinysync. Collaborative Shiny Apps with Automerge

docfind. A high-performance document search engine built in Rust with WebAssembly support.

rusqlite-gpkg. GeoPackage reader/writer built on top of rusqlite.

ducklings. A minimal DuckDB Wasm build for browsers and serverless environments like Cloudflare Workers

zigtui. Build beautiful, interactive terminal applications with a simple, composable API.

zls. A language server for Zig supporting developers with features like autocomplete and goto definition

mach. zig game engine & graphics toolkit - mirror of https://code.hexops.com/hexops/mach

dashmap. Blazing fast concurrent HashMap for Rust.

mujoco. Multi-Joint dynamics with Contact. A general purpose physics simulator.

rust-gpu. 🐉 Making Rust a first-class language and ecosystem for GPU shaders 🚧

deck.gl-raster. Client-side, WebGL2 GeoTIFF & Zarr visualization in deck.gl

roborev. Continuous background code review database for agents, work faster and smarter with accountability for every line of generated code.

picoDSP. Minimoog inspired virtual analoge for the raspberry pi pico 2

fjall. 🗻 Log-structured, embeddable key-value storage engine written in Rust

zmij. Fast floating point to string conversion

ffmpreg. An experimental safe multimedia toolkit

jp-landxml. Rust

hecs. A handy ECS

zarr-layer. flexible zarr rendering for maplibre and mapbox maps

fontship. A font development toolkit and collaborative work flow.

fontra. A browser-based font editor

compio. A thread-per-core async Rust runtime with IOCP/io_uring/polling.

rstest. Fixture-based test framework for Rust

harfrust. HarfBuzz port to Rust

gswt_renderer. Official codebase for SIGGRAPH Asia 2025 paper: GSWT: Gaussian Splatting Wang Tiles, containing the GSWT renderer.

rowan. Rust

rm1. An experimental object system for R

inspect_ai. Inspect: A framework for large language model evaluations

ggsql. A SQL extension for declarative data visualisation based on the Grammar of Graphics.

coral. pure-rust BLAS implementation

maplibre-gl-video-export. 🎬 Universal video export plugin for MapLibre GL JS with animations that adapt to any map.

mistune. A fast yet powerful Python Markdown parser with renderers and plugins.

libertiff. C++11 simple, header-only, TIFF reader

testcontainers-rs. A library for integration-testing against docker containers from within Rust.

chroma.js. JavaScript library for all kinds of color manipulations

rootcause. A flexible, ergonomic, and inspectable error reporting library for Rust.

WASI. WebAssembly System Interface

koharu. ML-powered manga translator, written in Rust.

symbolica. Symbolica is a high-performance computer algebra library for Python and Rust. Manipulate large expressions, match patterns, and generate optimized numerical code — at unprecedented speed.

cql2-rs. Rust library and Python bindings for parsing the OGC CQL2 filter language

refined-github. :octocat: Browser extension that simplifies the GitHub interface and adds useful features

las-rs. Read and write ASPRS las files, Rust edition.

async-tiff. Async TIFF reader for Rust and Python

cng-vector-formats. Exploring Cloud-Native Geospatial Formats: A Hands-on Workshop for Vector Data

altreptemplates. C

workshop. Shell

hexhog. hex viewer/editor

datafusion-udf-wasm. DataFusion UDFs (User Defined Functions) via WebAssembly

stac-geoparquet-spec. Open, community specification for storing STAC in GeoParquet

zensical. A modern static site generator by the Material for MkDocs team

rkyv. Zero-copy deserialization framework for Rust

resampler. Resampler optimized for audio

adbc-quickstarts. Simple examples showing how to use ADBC with various databases, query engines, and data platforms

dbc. dbc is the command-line tool for installing and managing ADBC drivers

torchgeo. TorchGeo: datasets, samplers, transforms, and pre-trained models for geospatial data

proj4sedona. Java

miniplot. C++

patina. Patina Firmware

geodesy. Rust geodesy

saphyr. A set of crates dedicated to parsing YAML.

rustfs. 🚀2.3x faster than MinIO for 4KB object payloads. RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.

zarrs. A Rust library for the Zarr storage format for multidimensional arrays and metadata

vcpkg. C++ Library Manager for Windows, Linux, and MacOS

geoparquet-io. A collection of tools for GeoParquet, built on DuckDB, GDAL & Obstore

wassette. Wassette: A security-oriented runtime that runs WebAssembly Components via MCP

sveltekit-firebase-auth-ssr. SvelteKit + Firebase Auth (SSR-aware) with session cookies

PROJ-data. Repository for proj datum grids (for use by PROJ 7 or later)

git-restore-mtime-action. A GitHub Workflow Action which restores timestamps of files in the current tree

rust-oem-cp. Rust library that handles OEM code pages (e.g. CP{437,737,850}) for single byte character sets

maplibre-gl-manual-geolocate. A MapLibre GL JS control that displays a user position marker at specified coordinates without requiring the browser's geolocation API.

codex-acp. Rust

portable. UNVT Portable

datafusion-wasm-bindings. WASM bindings for DataFusion

maplibre-contour. Render contour lines from raster DEM tiles in maplibre-gl-js

tetra. 🎮 A simple 2D game framework written in Rust

bevy_hanabi. A fork of Bevy Hanabi, the GPU-driven VFX system for Bevy, with improved performance and functionality

tmap.mapgl. tmap extension featuring two new modes: 'mapbox' and 'maplibre'

geodatafusion. Geometry and Geography Support for Apache DataFusion

sedona-db. A single-node analytical database engine with geospatial as a first-class citizen

ggcube. 3D plotting extension for ggplot2

dnd-kit-svelte. The modern, lightweight, performant, accessible and extensible drag & drop toolkit for Svelte

maplibre-native-slint. MapLibre Native + Slint Integration

mojxml-rs. 法務省公開地図XMLを高速で変換するツール