Here is the list of the top 5 unique JavaScript UI controls.

· Word Processor  · Dashboard Layout  · Query Builder UI  · Kanban  · Mention

Word Processor

This is a feature-rich UI control that helps users create, edit, view, and print Word documents. It has editing capabilities like Microsoft Word and provides all the standard word-processing features.

Dashboard Layout

Dashboard Layout is a grid-structured layout control that lets users create static and dynamic dashboard layouts with panels.

Query Builder UI

This control is a rich and efficient UI for filtering large amounts of data. Users create or edit conditions that can be combined with data visualization controls like DataGrid and Charts to view the filtered data.

Kanban

Kanban is a task-scheduling control that provides a clear user interface for managing multiple stages of a project. It is widely used in real-time applications such as for task scheduling and project management.

Mention

Mention is an autocomplete-like control that lets users tag a user or group by selecting them from a suggestion list. The control opens the suggestion list when a user starts typing with the @ character, like on popular social media sites such as Facebook and Twitter.

Syncfusion JavaScript UI Controls

The Syncfusion JavaScript UI control library contains over 80 high-performance, lightweight, modular, and responsive UI components in a single package.