Callisto

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Callisto Callisto's mission is to use technology to empower survivors of sexual violence.

Callisto is a nonprofit organization that develops technology to combat sexual assault and support survivors. Our online sexual assault reporting system is designed to allow survivors to make the decision that is right for them and improve their reporting outcomes. Our tool also provides authorities with better data on sexual assault and identifies repeat perpetrators.

A heartbreaking update:
07/23/2026

A heartbreaking update:

This is nearly impossible to write. We have to tell you that Callisto is closing. In 2024, we came right up to the edge, and a group of survivors and allies helped pull us back. Unfortunately, this time we don't have that option. Callisto has spent over a decade helping survivors identify seria

If you've been doomscrolling and feeling enraged or helpless, you are not alone. And we are NOT powerless. On Friday, Ap...
04/11/2026

If you've been doomscrolling and feeling enraged or helpless, you are not alone. And we are NOT powerless.

On Friday, April 24th, join Callisto's Day of Reckoning... to channel our outrage into action.

Help shine light into the darkness, so more survivors can find their way out...and so perpetrators can no longer hide.

Here's what you can do RIGHT NOW:

• SIGN UP and we'll send you everything you need: https://www.projectcallisto.org/dayofreckoning

• SHARE THIS

This is a moment to turn anger into something that actually helps people.

Will you join us?

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San Francisco, CA

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