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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.
. Microsoft created this portable and cross-platform code editor. It can be used with C# and has a large library of extensions. You can use other open source development environments like **MonoDevelop
It’s also important to note that you have the option of using other environments, such as **Visual Studio Code. Microsoft created this portable and cross-platform code editor. It can be used with C# and has a large library of extensions. You can use other open source development environments like **MonoDevelop or *JetBrains Rider *as well.