Handsontable

Handsontable is a popular JavaScript data grid component that enables developers to embed Excel-like spreadsheets directly into web applications. Founded in 2012 by Marcin Warpechowski and headquartered in Krakow, Poland, Handsontable has grown to serve over 10,000 companies worldwide including Fortune 500 enterprises. The component provides a familiar spreadsheet interface with features including inline cell editing, copy and paste from Excel, Google Sheets, and other spreadsheet applications, keyboard navigation (arrow keys, tab, enter, escape), multi-cell selection with fill handle (drag to copy values and formulas), column and row resizing, column moving and hiding, row and column freezing (sticky headers), cell data validation with custom rules, dropdown selection lists, checkbox cells, date pickers, numeric formatting, conditional formatting with cell colors and styles, merge cells, comments and notes, autocomplete, filtering and sorting on multiple columns, context menu with custom actions, undo and redo, internationalization with 30+ language translations, and a plugin architecture for extending functionality. Handsontable supports large datasets with virtual rendering (DOM recycling) for smooth performance with millions of rows, data binding to arrays of objects or arrays of arrays, formula support via HyperFormula integration, and framework bindings for React, Vue, Angular, and vanilla JavaScript. The component handles data export to CSV, JSON, and HTML formats, and supports import from Excel files. Handsontable is available under a dual license: free for non-commercial use under the MIT-like Handsontable Non-Commercial License, and a commercial Pro license for business applications with priority support and advanced features.