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. 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.

  5. 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

  6. Dating matches for city based millennials.

  7. Connect with your guests through their mobile devices and make dining and hosting a pure joy! Connect with Ready—the fastest payment app for restaurants & bars.

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

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

  10. Riverbank | Software | PyQt | What is PyQt?

  11. Write cross-platform native apps in Ruby

  12. A front-end SDK to develop applications with HTML5 , CSS3 and JavaScript.