Repositories list

• pizzarr

  Public

  zarr-developers/pizzarr’s past year of commit activity
  Slice into Zarr arrays in R 🍕

  zarr

  zarr

  R

  •

  Other

  •33 forks•4141 stars•1010 issues•00 pull requests•Updated Apr 23, 2026Apr 23, 2026

• zarr-python

  Public

  zarr-developers/zarr-python’s past year of commit activity
  An implementation of chunked, compressed, N-dimensional arrays for Python.

  pythoncompressedndimensional-arrays+ 1

  pythoncompressedndimensional-arrayszarr

  Python

  •

  MIT License

  •399399 forks•2k2k stars•427427 issues•103103 pull requests•Updated Apr 23, 2026Apr 23, 2026

• VirtualiZarr

  Public

  zarr-developers/VirtualiZarr’s past year of commit activity
  Cloud-Optimize your Scientific Data as Virtual Zarr stores, using xarray syntax.

  Python

  •

  Apache License 2.0

  •6363 forks•271271 stars•149149 issues•2626 pull requests•Updated Apr 22, 2026Apr 22, 2026

• n5py

  Public

  zarr-developers/n5py’s past year of commit activity
  Python implementation of the N5 file format

  Python

  •

  MIT License

  •11 fork•00 stars•88 issues•77 pull requests•Updated Apr 20, 2026Apr 20, 2026

• pydantic-zarr

  Public

  zarr-developers/pydantic-zarr’s past year of commit activity
  Pydantic models for Zarr

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •55 forks•4848 stars•3030 issues•11 pull request•Updated Apr 20, 2026Apr 20, 2026

• perfcapture

  Public

  zarr-developers/perfcapture’s past year of commit activity
  Capture the performance of a computer system whilst running a set of benchmark workloads.

  Python

  •

  MIT License

  •22 forks•44 stars•1212 issues•00 pull requests•Updated Apr 15, 2026Apr 15, 2026

• zarr-extensions

  Public

  zarr-developers/zarr-extensions’s past year of commit activity
  This repository contains the specifications for Zarr extensions for Zarr version 3.

  1313 forks•1515 stars•1414 issues•1818 pull requests•Updated Apr 14, 2026Apr 14, 2026

• numcodecs

  Public
  A Python package providing buffer compression and transformation codecs for use in data storage and communication applications.

  Python

  •

  MIT License

  •111111 forks•146146 stars•9393 issues•3232 pull requests•Updated Apr 12, 2026Apr 12, 2026

• geozarr-toolkit

  Public

  zarr-developers/geozarr-toolkit’s past year of commit activity
  Tools for creating, exploring, and validating GeoZarr data

  JavaScript

  •

  MIT License

  •22 forks•2323 stars•22 issues•22 pull requests•Updated Apr 10, 2026Apr 10, 2026

• jzarr

  Public

  zarr-developers/jzarr’s past year of commit activity
  A Java implementation of the API offered by the Python zarr package

  Java

  •

  MIT License

  •2222 forks•55 stars•44 issues•33 pull requests•Updated Apr 10, 2026Apr 10, 2026

• cast-value.rs

  Public
  Implementation of the `cast_value` codec for Zarr.

  Rust

  •

  Apache License 2.0

  •22 forks•00 stars•33 issues•00 pull requests•Updated Apr 7, 2026Apr 7, 2026

• cast-value.py

  Public

  zarr-developers/cast-value.py’s past year of commit activity
  Python implementation of the `cast_value` codec.

  Python

  •

  MIT License

  •11 fork•11 star•11 issue•00 pull requests•Updated Apr 2, 2026Apr 2, 2026

• geozarr-spec

  Public

  zarr-developers/geozarr-spec’s past year of commit activity
  GeoZarr defines geospatial conventions for storing multidimensional georeferenced grids using the Zarr format

  HTML

  •

  Creative Commons Attribution 4.0 International

  •1919 forks•193193 stars•2626 issues•33 pull requests•Updated Apr 1, 2026Apr 1, 2026

• geozarr-site

  Public

  zarr-developers/geozarr-site’s past year of commit activity
  Landing page for anyone interested in GeoZarr development

  Vue

  •

  MIT License

  •44 forks•22 stars•22 issues•22 pull requests•Updated Apr 1, 2026Apr 1, 2026

• zarr-java

  Public
  Java implementation of the Zarr Specification

  Java

  •

  MIT License

  •1919 forks•1919 stars•11 issue•11 pull request•Updated Mar 31, 2026Mar 31, 2026

• blog

  Public
  Zarr Official Blog

  bloggeospatialdata-format+ 3

  bloggeospatialdata-formatbioimagingzarrgiscus

  Ruby

  •

  Creative Commons Attribution 4.0 International

  •88 forks•22 stars•33 issues•33 pull requests•Updated Mar 5, 2026Mar 5, 2026

• zeps

  Public
  Zarr Enhancement Proposals

  open-sourcecommunityfeedback

  open-sourcecommunityfeedback

  Ruby

  •

  Creative Commons Zero v1.0 Universal

  •1515 forks•1414 stars•55 issues•66 pull requests•Updated Mar 5, 2026Mar 5, 2026

• zarr-developers.github.io

  Public
  Zarr Homepage

  conventionsformatgeospatial+ 3

  conventionsformatgeospatialbioimagingndimensional-arrayszarr

  JavaScript

  •

  Other

  •2424 forks•44 stars•1616 issues•2020 pull requests•Updated Feb 14, 2026Feb 14, 2026

• zarr-summit-2025

  Public
  Website for the 2025 Zarr Summit

  TypeScript

  •

  MIT License

  •22 forks•00 stars•00 issues•00 pull requests•Updated Dec 4, 2025Dec 4, 2025

• governance

  Public
  The governance process and model for zarr-developers

  Creative Commons Zero v1.0 Universal

  •99 forks•33 stars•88 issues•33 pull requests•Updated Nov 19, 2025Nov 19, 2025

• zarr-specs

  Public

  zarr-developers/zarr-specs’s past year of commit activity
  Zarr core protocol for storage and retrieval of N-dimensional typed arrays

  storagearrayszarr

  storagearrayszarr

  Creative Commons Attribution 4.0 International

  •3232 forks•107107 stars•124124 issues•1414 pull requests•Updated Sep 26, 2025Sep 26, 2025

• zarr-logo

  Public
  Official logos for the Zarr project

  logozarr

  logozarr

  22 forks•11 star•44 issues•11 pull request•Updated Sep 19, 2025Sep 19, 2025

• s3fs

  Public
  S3 Filesystem

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •290290 forks•11 star•00 issues•00 pull requests•Updated Jun 4, 2025Jun 4, 2025

• gsoc

  Public
  Google Summer of Code - Zarr

  Creative Commons Zero v1.0 Universal

  •33 forks•11 star•00 issues•11 pull request•Updated Feb 8, 2025Feb 8, 2025

• zarr-illustrations-falk-2024

  Public
  Illustrations created by Henning Falk for the Zarr community

  illustrationszarr

  illustrationszarr

  Shell

  •00 forks•22 stars•00 issues•00 pull requests•Updated Jan 29, 2025Jan 29, 2025

• zarr-illustrations-falk-2022

  Public

  zarr-developers/zarr-illustrations-falk-2022’s past year of commit activity
  Illustrations created by Henning Falk for the Zarr community

  illustrationszarr

  illustrationszarr

  Shell

  •11 fork•4747 stars•33 issues•00 pull requests•Updated Jan 29, 2025Jan 29, 2025

• zarr_implementations

  Public

  zarr-developers/zarr_implementations’s past year of commit activity
  Python

  •

  MIT License

  •1818 forks•4141 stars•1818 issues•44 pull requests•Updated Jul 24, 2024Jul 24, 2024

• community-calls

  Public

  zarr-developers/community-calls’s past year of commit activity
  Zarr Community Calls Website

  open-sourcediscussionsmeetings+ 1

  open-sourcediscussionsmeetingscommunity-calls

  Ruby

  •

  Creative Commons Zero v1.0 Universal

  •11 fork•22 stars•00 issues•00 pull requests•Updated Jun 26, 2024Jun 26, 2024

• codecs-registry

  Public
  Registry

  Python

  •11 fork•22 stars•22 issues•11 pull request•Updated Nov 29, 2023Nov 29, 2023

• community

  Public

  zarr-developers/community’s past year of commit activity
  An open community with an interest in developing and using new technologies for tensor data storage.

  11 fork•1818 stars•4444 issues•11 pull request•Updated Nov 29, 2023Nov 29, 2023