SpreadJS is a complete enterprise JavaScript spreadsheet solution used to create financial reports and dashboards, budgeting and forecasting models, scientific, engineering, healthcare, education, science lab notebooks, and other similar JavaScript business applications. Leverage the high-speed calculation engine with over 450 Excel built-in functions in 19 languages, to deliver true Excel-like spreadsheet experiences with zero dependencies on Excel. Fully customize your application's needs and let SpreadJS PivotTables perform complex interactive analyses for your applications. Full support for React, Vue, Angular, and TypeScript.