* [ONLYOFFICE Docs v10.0.0](https://github.com/ONLYOFFICE/DocumentServer) – Collaborative online office suite for editing texts, spreadsheets, and presentations in real time. * [Handsontable 18.1.2](https://github.com/handsontable/handsontable) – JavaScript data grid with a spreadsheet-like interface for building data-rich applications. * [hucre v1.2.0](https://github.com/productdevbook/hucre) – Zero-dependency TypeScript spreadsheet engine supporting read/write of XLSX, CSV, and ODS with streaming, schema validation, and round-trip preservation. * [Univer v1.0.4](https://github.com/dream-num/univer) – Isomorphic full-stack framework supporting spreadsheets, documents, and presentations with extensible, high-performance features. * [xresconv-gui v3.1.0](https://github.com/owent/xresconv-gui) – Electron-based GUI tool for batch converting spreadsheet data using customizable schemes. * [React Data Grid v4.28.4](https://github.com/revolist/react-datagrid) – High-performance virtual React data grid supporting millions of cells, virtual scrolling, keyboard and RTL support, editing, filtering, and export. * [Tableau v0.17.1](https://github.com/tableauio/tableau) – Modern proto3-based configuration converter for Excel/CSV/XML/YAML to JSON/Text/Bin. * [Huey 1.1003](https://github.com/rpbouman/huey) – Browser-based application for exploring and analyzing data from multiple file formats including CSV, Parquet, JSON, and DuckDB.