Best JavaScript Libraries for Svelte

FusionCharts is a leading data visualization tool that helps developers create interactive and responsive charts for web and mobile applications. With 100+ chart types including line, bar, area, pie charts, and 2000+ maps, it enables users to visualize complex data sets and make informed decisions. The library is built on JavaScript and can be easily integrated with popular frameworks such as AngularJS, React, and Vue.js. Its user-friendly API and comprehensive documentation make it accessible to developers of all skill levels. Additionally, the library offers a wide range of features such as real-time updates and cross-browser compatibility. It also has a wide range of customization options, allowing users to tailor charts to their specific needs. With over a decade of development and updates, FusionCharts is a reliable and robust choice for data visualization and is trusted by thousands of businesses and organizations worldwide.

JointJS+ is a diagramming toolkit, a commercial extension of JointJS, that allows developers and companies of any size to create advanced Low-Code/No-Code and visual applications. Developers can utilize pre-built UI plugins to build custom applications, customize user interfaces and embed elements according to their requirements. Businesses can utilize JointJS+ to integrate interface with workflow systems, build business process management, diagramming, and project management applications, and more. It provides a programmer’s kit, which allows users to undo or redo changes, conduct graph manipulation, and validate data. Other features include custom shapes, JSON import/export, interactive diagrams, read-only view, automatic layouts, inline text editor, path editor, zoom, charts, and more. Start a risk-free 30-day trial to experience the power and flexibility of JointJS+.

With the jsPlumb Toolkit users can rapidly bring to market Javascript applications that are focused on visual connectivity. People use jsPlumb to create flowchart designers, call center applications, data visualizations, process builders and much more. jsPlumb Toolkit is a mature, powerful and standards compliant diagramming library solution users can rely on as the foundation for their own applications. For developers, the jsPlumb Toolkit offers a rich set of functionality such as pan/zoom, automatic layouts, edge routing, object inspectors, and a whole lot more. This comprehensive feature set allows developers to focus on what makes application unique and not waste time reinventing the wheel.

A client-side image editing SDK that is intuitive on desktop and mobile. Set image requirements to help your customers upload better images. Compatible with all popular JavaScript Frameworks Crop, rotate and resize images, add annotations, adjust colors and more. Top Features Crop aspect ratio: You can either enforce a single aspect ratio for all images or provide a range of options so that they are always perfect. Fast image uploads: Increase file upload speed and reduce server bandwidth usage by compressing and resizing images in the browser. Rotate, resize and flip: Get the perfect crop every time. Scale images with the zoom control, mousewheel, touchpad or intuitive multi-touch interaction. Overlay crop guides: Help customers upload better images. Overlay bleed margins and profile picture boundaries on the editor.

Auth.js provides a flexible, secure authentication experience. It is an open-source library that integrates seamlessly with modern JavaScript Frameworks. It supports a variety of authentication methods including OAuth (e.g. Google, GitHub), Credentials, and WebAuthn. This allows developers to select the best approach for their application. Auth.js supports multiple frameworks such as Next.js (e.g., Google, GitHub), SvelteKit (e.g., Express), Qwik and SolidStart. This allows developers to implement authentication on different platforms. The library provides built-in support to popular databases such as Prisma, Drizzle ORM (Object Relational Mapper), Supabase (Supabase ORM), Firebase and TypeORM. This simplifies user data management. Signed cookies, CSRF validation, and encrypted JSON Web Tokens are all security features that ensure robust protection of user data. Auth.js has been designed to work efficiently in serverless environments. It also provides extensive documentation and examples.

SVAR is a Poland company that was founded in 2023, and produces a software product named SVAR UI. Regarding deployment requirements, SVAR UI is offered as SaaS software. SVAR UI includes online support. Pricing starts at $0. SVAR UI includes training through documentation. SVAR UI has a free version. SVAR UI is a type of component libraries software. Some alternatives to SVAR UI are Sencha Ext JS, DHTMLX, and Kendo UI.

Million.js offers a new "block" virtual DOM. It is significantly faster than React’s virtual DOM as it diffs the data instead of using the DOM. Million.js has a custom compiler which optimizes React components automatically on the server. Tired of learning about new frameworks and large migrations? Million.js comes with a drop-in mode that will make your React applications faster without any code changes. We use a novel virtual DOM approach called the block virtual. You can learn more about the block virtualDOM with virtual DOM and back in block. We also explain how to make it work in React using behind the block(). We are actively working to remove these limitations. You may not even need Million.js if your application is not UI-heavy.