* [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. * [LogiSheets v1.16.0](https://github.com/logisky/LogiSheets) – Web-based spreadsheet compatible with Excel, offering Rust and Node APIs and an extensible architecture. * [React Data Grid v4.28.0](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. * [xresloader v2.23.7](https://github.com/owent/xresloader) – Cross-platform tool for converting Excel files to various formats including protobuf, msgpack, and JSON. * [Tableau v0.17.1](https://github.com/tableauio/tableau) – Modern proto3-based configuration converter for Excel/CSV/XML/YAML to JSON/Text/Bin. * [typed-xlsx typed-xlsx@4.2.0](https://github.com/ChronicStone/typed-xlsx) – Type-safe, schema-driven Excel reporting for TypeScript, supporting native Excel tables, typed formulas, and streaming exports. * [Univer Workspace agent-v0.1.0-rc.1](https://github.com/dream-num/univer-workspace) – Deployable office workspace built on Univer Office SDK, combining Sheets, Docs, Slides, tables, and canvases with linked collaboration, agents, and review workflows.