# Community

## Community Calls
Community Calls are quarterly meetings that feature updates and presentations on OME-Zarr specification work, tooling ecosystem, and use cases. **Everyone is welcome** to these calls - developers, users, and enthusiasts alike. Whether you have just heard about OME-NGFF and are curious to learn more or if you have been working with it every day, consider yourself invited.

We host Community Calls **quarterly at 9:00 CET and 17:00 CET**. The same agenda is repeated in both time slots to allow participants around the globe to choose the one that fits their schedule best. Get in touch with [Virginie Uhlmann](mailto:virginie.uhlmann@mls.uzh.ch) if you would like to present at an OME-NGFF Community Call.

Community Calls are added to the above calendar and announced on [image.sc](https://forum.image.sc/tag/ngff-community-call):

<div style="overflow:hidden; overflow-y:scroll; height:180px; width:800px;">
<iframe frameborder="0" scrolling="no" width="800" height="500" src="https://forum.image.sc/embed/topics?tags=ngff-community-call">iframe not supported!</iframe>
</div>

## Office Hours

We host drop-in office hours on Wednesdays, rotating between
APAC/AU/EU- and AMER/AU/EU-friendly times. We are happy to answer questions about:
- OME-Zarr specification
- OME-Zarr tools and implementations
- how you can get involved in the community
- ... and much more!

Please see the calendar above for exact time to join at the [**Zoom link**](https://openmicroscopy-org.zoom.us/j/82526689042?pwd=ZIde7mcvZugQGmJ8Bm9piFo5Tzwdy1.1).

## Hackathons & Symposiums

Hackathons have been hosted yearly by the BioVision Center in Zurich:

| Dates | Website | Outcomes |
| ---- | ------- | -------- |
| Nov 6-8, 2023 | [Next generation bioimage analysis workflows hackathon](https://www.biovisioncenter.uzh.ch/en/events/2023/hackathon_23.html)| [2023 image.sc post](https://forum.image.sc/t/outcomes-of-the-next-generation-bioimage-analysis-workflows-hackathon/88733)|
| Nov 18-22, 2024 | [2024 OME-NGFF Workflows Hackathon](https://biovisioncenter.uzh.ch/en/events/2024/hackaton_november_2024.html)| [2024 Preprint](https://doi.org/10.37044/osf.io/5uhwz_v1)|
| Nov 10-14, 2025 | [2025 OME-NGFF Workshop](https://www.biovisioncenter.uzh.ch/en/events/Upcoming-Events/2025-OME-NGFF-workshop.html)| |

```{image} ../images/hackathons/IMG_7670.jpeg
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```
```{image} ../images/hackathons/IMG_7679.jpeg
:width: 200px
```
```{image} ../images/hackathons/IMG_9605.jpeg
:width: 200px
```

## OME NGFF Community Calendar

<iframe id="calendariframe" src="https://calendar.google.com/calendar/embed?src=14c96687c3814f289f92de53b49bdfa7e5161d458ed1ab02d6a6c8a994522e10%40group.calendar.google.com&ctz=local" style="border: 0" width="800" height="400" frameborder="0" scrolling="no"></iframe> <script>document.getElementById("calendariframe").src = document.getElementById("calendariframe").src.replace("ctz=local", "ctz=" + Intl.DateTimeFormat().resolvedOptions().timeZone)</script>

Download the <a href="https://calendar.google.com/calendar/ical/14c96687c3814f289f92de53b49bdfa7e5161d458ed1ab02d6a6c8a994522e10%40group.calendar.google.com/public/basic.ics">.ics</a> file and add it to your calendar so won't miss any of our meetings!

## Contributors
Thank you to all the amazing contributors who make OME-NGFF possible:

<iframe src="https://german-bioimaging.github.io/ome-zarr-acknowledgments/" width="800" height="1400"></iframe>