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Open Source

We're proud to be part
of the React community

We contribute to the ecosystem every day, helping improve the developer experience—for everyone building with React and React Native.

React Native
Core Contributors

We’ve been contributing to React Native since 2016. Over 200 commits so far and counting.

Meta
Official Partners

We’re one of the few teams working closely
with Meta on the future of React Native.

Co-founders of React Native Community

Together with Meta and other contributors, we created a community to modularize React Native.

Maintained by Callstack, used by everyone

250+

Commits to React Native

20mln+

Downloads on npm

10k+

Stars on GitHub

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Open Source

Our open-source projects

We build, maintain, and contribute to some of the most-used libraries in the React and React Native ecosystem.

Discord outlined logo

Hang out with us on Discord

Got questions? Found a bug? We build in public, so come and talk to us on Discord.

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Open source

Let's meet in person

We run and speak at React and React Native events around the world. Come say hi, or catch up with the talks online.

React Universe Conf Panel
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Wrocław, Poland

React Universe Conf

We kicked off React Universe as the first React Native conference in Europe, and it’s grown into a global event for the whole React ecosystem. Every September, we bring the community together to push what’s possible with React and React Native, share what’s next, and connect with the people building the future of the React Universe.

500+

Attendees

8

Editions & counting

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Las Vegas, USA

React Conf

React Conf is the original React event, created by the folks who built this technology it and still love it. We co-host it with Meta in Las Vegas, bringing together the React core team and the community for big announcements, deep dives, and conversations that shape what’s next.

250k

Online viewers

600+

In-person attendees

React Universe Conf Panel
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Events

See what’s coming up

Check out our upcoming events and browse recordings from past talks, meetups, and conferences.