Callstack
Helping teams ship better cross-platform apps, with React, React Native, and Open Source at the core.
We’re Callstack: Open Source contributors, core contributors to React Native, and active members of the community pushing the React Universe forward.
Here you’ll find what we live and breathe every day:
Podcast 🎙️ React Universe On Air, with insights from across the React ecosystem
Event Recordings 🎥 Livestreams, talks, and behind-the-scenes from React Universe Conf & React Conf
Tutorials 📚 Hands-on guides and deep dives into React and React Native
Webinars ⚙️ Technical sessions on building full-stack, cross-platform apps
If you’re into building better apps, scaling real products, and being part of a global community that shares what it knows—you’re in the right place.
Callstack
The Ultimate Guide to React Native TV Development 2026 is live! It’s a detailed look at 10‑foot UI, navigation, performance, architecture, and multiplatform delivery, co‑authored with Amazon engineers. Download the full guide and explore what’s inside ➡️ clstk.com/4pV0oPF
5 days ago | [YT] | 20
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Callstack
React Universe Conf vibes start early this year. On Sept 2, we’re hosting the AI Meetup organized by Callstack, and sponsored by Vercel 🎤
Expect an evening of talks, live demos, and networking before the conference even begins. Seats are limited. Save your spot below at clstk.com/4oIFvaG
3 months ago | [YT] | 3
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Callstack
Is there a better way to celebrate 10 years of React Native than putting the people behind it on one stage? We don’t think so.
Welcome Charlie Cheever, Mike Grabowski, and Nicola Corti to the panel discussion at React Universe Conf. More names coming soon! Are YOU coming? 👀
Tickets ➡️ bit.ly/3UYoGL7
4 months ago | [YT] | 7
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Callstack
It’s happening soon ⏰ Join Callstack and Expo for a live session on migrating React Native CLI apps to Expo the right, non-disruptive way.
There’s still time to register and join live ➡️ clstk.com/4o3ckyE
4 months ago | [YT] | 3
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Callstack
Start small, scale smart.
On Aug 5, Mike Grabowski (Callstack) and Keith Kurak (Expo) will walk you through how to:
🧩 Start Expo adoption with just 1 module
🚀 Add EAS Build, OTA updates, Router when it *actually* makes sense
🛑 Avoid common migration traps
Register at clstk.com/4lUOoMk
4 months ago | [YT] | 5
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Callstack
This year’s React Universe Conf afterparty is going to be extra special — we’re raising a glass to 10 years of React Native. Don’t miss it! 🎟️ bit.ly/4mbK636
4 months ago | [YT] | 0
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Callstack
Thinking of adopting Expo in a React Native project, but not sure how to get started without breaking things? This webinar is for you.
Callstack’s Mike Grabowski and Expo’s Keith Kurak will show you how to migrate from RN CLI to Expo one step at a time.
Sign up for the live walkthrough and bring your questions 📅 clstk.com/3TRwqhJ
4 months ago | [YT] | 13
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Callstack
The Regular Access ticket batch is coming to an end soon. Book now to save some 🫰 ➡️ bit.ly/4f0TKTG
4 months ago | [YT] | 2
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Callstack
Step-by-step, code-first, and written by the devs who built the tooling.
Our new ebook is your guide to integrating React Native into native apps in a modular, gradual, and production-ready way
Includes:
✅ Packaging configs
✅ XCFrameworks & AARs
✅ Brownfield best practices
Read it now 👉 clstk.com/44Iib52
4 months ago | [YT] | 12
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Callstack
Spinners are out, and shimmers are in ✨
We just released a new library for React Native that makes your loading states beautiful, fast, and modern.
It’s called `react-native-fast-shimmer` and Kewin wrote an article about it 👉 clstk.com/4kQTeZV
4 months ago | [YT] | 12
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