Repositories list

• VirtualiZarr

  Public
  Cloud-Optimize your Scientific Data as Virtual Zarr stores, using xarray syntax.

  Python

  •

  Apache License 2.0

  •59•269•144•26•Updated Mar 23, 2026Mar 23, 2026

• n5py

  Public
  Python implementation of the N5 file format

  Python

  •

  MIT License

  •1•0•8•7•Updated Mar 23, 2026Mar 23, 2026

• zarr-python

  Public
  An implementation of chunked, compressed, N-dimensional arrays for Python.

  pythoncompressedndimensional-arrays+ 1

  pythoncompressedndimensional-arrayszarr

  Python

  •

  MIT License

  •391•1.9k•435•101•Updated Mar 23, 2026Mar 23, 2026

• cast-value.rs

  Public
  Implementation of the `cast_value` codec for Zarr.

  Rust

  •0•0•0•2•Updated Mar 23, 2026Mar 23, 2026

• zarr-java

  Public

  zarr-developers/zarr-java’s past year of commit activity
  Java implementation of the Zarr Specification

  Java

  •

  MIT License

  •19•18•2•1•Updated Mar 23, 2026Mar 23, 2026

• cast-value.py

  Public
  Python implementation of the `cast_value` codec.

  0•0•0•0•Updated Mar 23, 2026Mar 23, 2026

• pydantic-zarr

  Public
  Pydantic models for Zarr

  Python

  •

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

  •5•48•31•2•Updated Mar 23, 2026Mar 23, 2026

• numcodecs

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

  Python

  •

  MIT License

  •111•142•95•26•Updated Mar 19, 2026Mar 19, 2026

• pizzarr

  Public
  Slice into Zarr arrays in R 🍕

  zarr

  zarr

  R

  •

  Other

  •3•36•14•0•Updated Mar 16, 2026Mar 16, 2026

• zarr-extensions

  Public
  This repository contains the specifications for Zarr extensions for Zarr version 3.

  13•15•12•18•Updated Mar 16, 2026Mar 16, 2026

• geozarr-toolkit

  Public
  Tools for creating, exploring, and validating GeoZarr data

  JavaScript

  •

  MIT License

  •1•11•2•1•Updated Mar 12, 2026Mar 12, 2026

• geozarr-spec

  Public
  GeoZarr defines geospatial conventions for storing multidimensional georeferenced grids using the Zarr format

  HTML

  •

  Creative Commons Attribution 4.0 International

  •18•187•22•2•Updated Mar 12, 2026Mar 12, 2026

• blog

  Public
  Zarr Official Blog

  bloggeospatialdata-format+ 3

  bloggeospatialdata-formatbioimagingzarrgiscus

  Ruby

  •

  Creative Commons Attribution 4.0 International

  •8•2•3•3•Updated Mar 5, 2026Mar 5, 2026

• zeps

  Public
  Zarr Enhancement Proposals

  open-sourcecommunityfeedback

  open-sourcecommunityfeedback

  Ruby

  •

  Creative Commons Zero v1.0 Universal

  •15•14•5•6•Updated Mar 5, 2026Mar 5, 2026

• geozarr-site

  Public
  Landing page for anyone interested in GeoZarr development

  JavaScript

  •

  MIT License

  •2•1•1•1•Updated Mar 4, 2026Mar 4, 2026

• zarr-developers.github.io

  Public
  Zarr Homepage

  conventionsformatgeospatial+ 3

  conventionsformatgeospatialbioimagingndimensional-arrayszarr

  JavaScript

  •

  Other

  •23•4•15•19•Updated Feb 14, 2026Feb 14, 2026

• jzarr

  Public
  A Java implementation of the API offered by the Python zarr package

  Java

  •

  MIT License

  •22•5•4•5•Updated Jan 26, 2026Jan 26, 2026

• perfcapture

  Public
  Capture the performance of a computer system whilst running a set of benchmark workloads.

  Python

  •

  MIT License

  •2•3•12•0•Updated Jan 6, 2026Jan 6, 2026

• zarr-summit-2025

  Public
  Website for the 2025 Zarr Summit

  TypeScript

  •

  MIT License

  •2•0•0•0•Updated Dec 4, 2025Dec 4, 2025

• governance

  Public
  The governance process and model for zarr-developers

  Creative Commons Zero v1.0 Universal

  •9•3•8•3•Updated Nov 19, 2025Nov 19, 2025

• zarr-specs

  Public
  Zarr core protocol for storage and retrieval of N-dimensional typed arrays

  storagearrayszarr

  storagearrayszarr

  Creative Commons Attribution 4.0 International

  •32•104•122•13•Updated Sep 26, 2025Sep 26, 2025

• zarr-logo

  Public
  Official logos for the Zarr project

  logozarr

  logozarr

  2•1•3•1•Updated Sep 19, 2025Sep 19, 2025

• s3fs

  Public
  S3 Filesystem

  Python

  •

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

  •290•0•0•0•Updated Jun 4, 2025Jun 4, 2025

• gsoc

  Public
  Google Summer of Code - Zarr

  Creative Commons Zero v1.0 Universal

  •3•1•0•1•Updated Feb 8, 2025Feb 8, 2025

• zarr-illustrations-falk-2024

  Public
  Illustrations created by Henning Falk for the Zarr community

  illustrationszarr

  illustrationszarr

  Shell

  •0•2•0•0•Updated Jan 29, 2025Jan 29, 2025

• zarr-illustrations-falk-2022

  Public
  Illustrations created by Henning Falk for the Zarr community

  illustrationszarr

  illustrationszarr

  Shell

  •1•45•3•0•Updated Jan 29, 2025Jan 29, 2025

• zarr_implementations

  Public
  Python

  •

  MIT License

  •18•41•18•4•Updated Jul 24, 2024Jul 24, 2024

• community-calls

  Public
  Zarr Community Calls Website

  open-sourcediscussionsmeetings+ 1

  open-sourcediscussionsmeetingscommunity-calls

  Ruby

  •

  Creative Commons Zero v1.0 Universal

  •1•2•0•0•Updated Jun 26, 2024Jun 26, 2024

• codecs-registry

  Public
  Registry

  Python

  •1•2•2•1•Updated Nov 29, 2023Nov 29, 2023

• community

  Public
  An open community with an interest in developing and using new technologies for tensor data storage.

  1•18•44•1•Updated Nov 29, 2023Nov 29, 2023