Yoga
Cross-platform layout engine which implements Flexbox
... and performance will always be one of Yoga's primary goals. For a layout engine to be able to power any range of applications, it needs to be fast and never stand in the way of a fluid user experience. Yoga is built with cross platform in mind. To ensure Yoga can be used anywhere, it was written in portable C/C++ and has a low number of dependencies and small binary size. This means Yoga can be used on iOS and Android, sharing knowledge, and potentially code, between platforms.