SurveyJS is a product family of four open-source JavaScript libraries that provide you with all the advantages of a custom-built in-house survey application while significantly reducing time-to-market and resources required to get the system up and running. The libraries do not directly work with any server code or database, and are compatible with most popular JavaScript frameworks, such as React, Angular, Vue.js, jQuery, Knockout, etc. They can communicate with any server that can post and get a request in JSON format, which makes them server- and database-agnostic.
The product family is composed of:
* An open-source MIT-licensed rendering library that renders dynamic JSON-based forms in your web application, and collects responses;
* An in-house drag-and-drop form builder that automatically generates JSON definitions (schemas) of your forms in real time;
* PDF Generator, a library that renders SurveyJS surveys and forms as PDF files in a browser;
* The Dashboard library that allows you to simplify survey data analysis with interactive and customizable charts and tables.
The base version of SurveyJS is free. For the Creator, PDF Generator, and Dashboard libraries, a perpetual developer-based licensing model is available, allowing you to make a one-time payment and use the software indefinitely, thus also reducing the initial investment required.
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