1. Flutter is Google’s mobile UI framework for crafting high-quality native experiences on iOS and Android in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.

  2. A framework for building native apps with React

  3. PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.

  4. Build cross platform desktop apps with web technologies

  5. Create iOS, Android and Mac apps in C#

  6. A simple way to see, explore, and collaborate on data

  7. For devs, by devs. An easy way to build, host and manage Apps using the open source Parse Server. Scalable Servers, Pre-build examples, Cross-Platform support

  8. Ionic is a cross-platform mobile development stack for building performant apps on all platforms with open web technologies.

  9. Android development environment based on IntelliJ IDEA

  10. A macOS app that simplifies recording and producing marketing videos for your mobile, web and desktop apps.

  11. Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.

  12. Angular Docs