Best JavaScript Libraries

SurveyJS is an embeddable, self-hosted, white-label form builder for teams building custom forms, surveys, questionnaires, and other data collection tools inside web applications. It runs entirely on the client and is fully compatible with all modern JavaScript frameworks, including React, Angular, and Vue. SurveyJS integrates with any backend, giving you full control over data, security, user access, deployment, and business logic. Instead of hardcoding forms, you can empower non-technical users to generate and edit JSON schema-based form configurations through a drag-and-drop form builder. Create dynamic forms with custom conditional logic, validation, multilingual support, PDF export, and analytics. Ideal for SaaS, enterprise software, HR, healthcare, fintech, and other regulated industries, SurveyJS helps teams reduce engineering effort, standardize data collection, maintain full control over data, and deliver unlimited forms that match their brand and feel native to users.

FusionCharts is a powerful and easy-to-use JavaScript charting library that helps developers to add interactive charts and data visualizations to their web and mobile applications. With 100+ chart types, including column, bar, line, area, pie, doughnut, scatter, bubble, and more, it's easy to create professional-looking charts that are engaging and informative. The library is completely cross-browser compatible and works seamlessly with a wide range of technologies, including Angular, React, Vue, and more. FusionCharts product suite consists of • FusionCharts Suite XT • FusionTime • FusionExport • FusionGrid FusionCharts offers a wide range of features that make it one of the most popular charting libraries on the market, including: • Real-time data updates • Dynamic updates of data using AJAX • Drill-down and multi-level charts • Animation and special effects • Export to PDF, PNG, and SVG • Responsive design • Accessibility support