Flutter is an open source, cross-platform mobile app development framework. It currently supports iOS and Android development, with potential for desktop support in the future.

Flutter, the open source mobile UI framework backed by Google, has emerged into beta with a new way to create native iOS and Android apps with one codebase.

Google finally took the wraps off Flutter 1.0, its new approach to cross-platform mobile development nirvana: creating native iOS and Android apps with one codebase.