Free & Open Source React Native Framework
"Galio is a 100% free and open source project, licensed under MIT License. You'll be building Android and iOS apps in style.
Galio will always remain free to use and it is powered by a massive world-wide community. It comes with a lot of carefully crafted, ready to be used components and a beautiful typography.
Galio has a gorgeous base theme that adapts to each project. Built with real app examples, component demos, guides, and how-to's to get you up and running with mobile apps faster than ever before."