Callstack

Callstack is a software development company and a top global contributor to React Native - a Facebook Open Source framework for building web and mobile applications, using a hybrid approach - write once, run on many platforms at the same time.

We are leading the innovation on cross-platform technologies in order to make the software more accessible to everyone, worldwide. We don’t follow best practices, we set them by being at the forefront of everything React Native. We collaborate daily with the Facebook team on setting the direction for the future growth of the framework and support industry leaders all around the world to ship better mobile products to their users.