alasql

Use SQL to select and filter javascript data - including relational joins and search in nested objects (JSON). Export to and import from Excel and CSV

aspose.cells.node

Aspose.Cells for Node.js via C++ is a high-performance and powerful library for manipulating and converting Excel (XLS, XLSX, XLSB), ODS, CSV, and HTML files, offering a comprehensive set of features for creating, editing, converting, and rendering spread