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Ionic Framework
A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
Angular is a UI framework for building mobile and desktop web applications. It is built using TypeScript and can support single-developer projects to enterprise-level applications. You can create amazing client-side applications using HTML, CSS, and Typescript using Angular.
Angular is typically used for web application development, but when used in conjunction with Ionic, developers can easily create high-performing mobile apps for any platform or device. The Ionic Framework is open-sourced and features a rich library of front-end building blocks, integrations, and UI components that make it easy to develop mobile apps using web HTML, CSS, and JavaScript.
A. Angular and AngularJS are both open-source web application frameworks developed by Google. AngularJS is the predecessor of Angular, but they are two separate frameworks. AngularJS is currently in long-term support mode; meanwhile, Angular is actively developed.