1. Servoy is a cross platform RAD development and deployment environment for large business apps. Its mostly used by ISVs and enterprises.

  2. Community, training and support specifically for freelancers

  3. Simple and flexible HTML, CSS, and JS for popular UI components and interactions

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

  5. A modern responsive front-end framework based on Material Design

  6. The Write Less, Do More, JavaScript Library.

  7. Angular Docs

  8. Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers.

  9. A UI Component library implemented using a set of specifications designed around natural language

  10. The most advanced responsive front-end framework in the world

  11. A framework for building native apps with React

  12. Angular Material is both a UI Component framework and a reference implementation of Google's Material Design Specification.