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SVAR UI is a set of ready-to-use, framework-native UI components for Svelte, React, and Vue: feature-rich data grid, Gantt chart, event calendar, kanban board, file manager, a Core UI library of basic UI elements, and more.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | bcons.dev | svar.dev |
| Pricing | ||
| Platforms | ||
| Company | Startup from Spain · 1 - 9 employees · 2024 | Startup from Poland · 10 - 19 employees · 2023 |
| Listed in |
In their own words, as submitted to SaaSHub.


What is it? bcons is a powerful PHP debugging tool that allows developers to perform various debugging tasks, such as logging messages, inspecting variable values, and analyzing application data. It provides a comprehensive set of features to help developers effectively troubleshoot and optimize...
SVAR UI is a collection of high-performance, framework-native UI components for building modern web applications in React, Svelte, and Vue. Each component is built natively for its target framework and ships with full TypeScript support, so you get type safety, autocompletion, and a smooth...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of SVAR UI yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing bcons.dev and SVAR UI.
SVAR UI's answer:
SVAR UI offers a set of complex, feature-rich UI building blocks, like calendar, Gantt chart, kanban board or data grid. Because SVAR components are framework-native, you avoid the boilerplate, compatibility issues, and performance overhead that come with wrapper-based libraries.
The components are optimized for large datasets and come with production-ready workflows out of the box — drag-and-drop scheduling, in-cell editing, context menus, and built-in editors — so you integrate in minutes instead of building forms and dialogs yourself. CSS-variable-based theming model makes customization straightforward across all three frameworks.
The free MIT-licensed core takes most projects far, the PRO edition covers advanced, enterprise-grade features.
SVAR UI's answer:
SVAR UI components are written natively in Svelte, React and Vue, and use CSS for styling.
SVAR UI's answer:
Front-end developers and engineering teams building modern web applications in React, Svelte, or Vue who need complex, data-heavy, or scheduling interfaces — data grids, Gantt charts, calendars, Kanban boards, and file managers. SVAR is especially well-suited to teams building project management tools, booking systems, logistics dashboards, and internal business apps who want framework-native components with TypeScript support, strong performance, and a low-config customization model rather than a wrapper library or a heavy all-in-one suite.
SVAR UI's answer:
SVAR UI is built as native React, Svelte, and Vue components rather than framework wrappers, so each implementation works directly with its framework's rendering and state patterns. Every component ships with full TypeScript support, a rich API, an MIT-licensed core. Combined with virtualization, CSS-based theming, and localization built in, it delivers complex data, project management, and scheduling interfaces with minimal setup.
SVAR UI's answer:
SVAR began with SVAR Svelte Core, an open-source library of form controls and essential UI elements, released in October 2023. Since then, it has grown to include advanced widgets like DataGrid, Gantt, File Manager, Calendar, Kanban, and more. In 2024-2025, React versions of the components were released, and in 2026 SVAR UI was extended with the Vue 3 version of the components. Also, Calendar and Kanban components were released in Svelte, React, and Vue versions.
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