# Meetings

ROOST hosts regular community meetings, including [office hours](#office-hours) and open source project [working groups](#working-groups). For information on organizing meetings, see the [Meeting Guidelines](./guidelines.md).

## Calendar

View all community events on the [ROOST Community calendar] ([iCal URL]):

<iframe id="calendar-embed" src="https://calendar.google.com/calendar/embed?src=c_2f68741c36f377105f86dd8835d9469c0949d3abc9f2adc408e92095977a20dd%40group.calendar.google.com&showPrint=0&showCalendars=0&showTitle=0&ctz=UTC" frameborder="0" scrolling="no"></iframe>
<script>
  (function () {
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      iframe.src = iframe.src.replace(/ctz=UTC/, 'ctz=' + encodeURIComponent(tz));
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<style>
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  left: 50%;
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## Working Groups

Advance the open source project/development, make decisions, discuss a specific project or initiative.

### Coop

_Every other [Tuesday 1445–1530 UTC](https://zonr.dev/2026-06-23T14%3A45%3A00%2B00%3A00) (bi-weekly/fortnightly)._

Discuss, problem solve, and plan development of [Coop](https://github.com/roostorg/coop), the open source review tool for online safety.

- [Google Meet](https://meet.google.com/jfs-davn-jpv)
- [Agendas + notes](https://github.com/roostorg/coop/discussions/categories/working-group-meetings)

### Osprey

_Every other [Friday 1830–1930 UTC](https://zonr.dev/2026-04-17T19%3A30%3A00%2B00%3A00) (bi-weekly/fortnightly)._

Discuss, problem solve, and plan development of [Osprey](https://github.com/roostorg/osprey), the open source investigation tool and automated rules engine for online safety.

- [Google Meet](https://meet.google.com/qgx-gpdu-fjh)
- [Agendas + notes](https://github.com/roostorg/osprey/discussions/categories/working-group-meetings)

## Office Hours

Provide community face-to-face time, answer questions, support (potential) adopters.

### Community

_Every other [Friday 1830–1930 UTC](https://zonr.dev/2026-10-09T18%3A30%3A00%2B00%3A00) (bi-weekly/fortnightly)._

Join the ROOST community to meet and chat with fellow contributors and T&S professionals, discuss cross-project topics, and learn about all things ROOST. 

- [Google Meet](https://meet.google.com/ahr-bpkp-vqa)

### Model Community (RMC)

_Every other [Wednesday 1730–1800 UTC](https://zonr.dev/2026-04-29T16%3A30%3A00%2B00%3A00) (bi-weekly/fortnightly)._

Public meetings for the [RMC](https://github.com/roostorg/model-community), an ecosystem of developers, practicioners, and model creators making open safety models accessible and beneficial to the safety community.

- [Google Meet](https://meet.google.com/knq-djnt-bvs)
- [Agendas + notes](https://github.com/roostorg/model-community/discussions/categories/office-hours)

### Hasher-Matcher-Actioner (HMA)

_Every other [Wednesday 1700–1800 UTC](https://zonr.dev/2026-04-22T17%3A00%3A00%2B00%3A00) (bi-weekly/fortnightly)._

Check in with adopters and contributors of [HMA](https://github.com/facebook/ThreatExchange/tree/main/hasher-matcher-actioner), the copy-detection reference implementation from Meta.

- [Google Meet](https://meet.google.com/tem-pkjk-ydp)
- [Project board](https://github.com/orgs/roostorg/projects/3/views/1)
- [Agendas + notes](https://docs.google.com/document/d/1mQRLWL8bQzHrVFpaQjd6tHHRNXwQjpE2rr8DHoUFbm0/edit)

[ROOST Community calendar]: https://calendar.google.com/calendar/embed?src=c_2f68741c36f377105f86dd8835d9469c0949d3abc9f2adc408e92095977a20dd%40group.calendar.google.com
[iCal URL]: https://calendar.google.com/calendar/ical/c_2f68741c36f377105f86dd8835d9469c0949d3abc9f2adc408e92095977a20dd%40group.calendar.google.com/public/basic.ics