* [HyperFormula 3.5.0](https://github.com/handsontable/hyperformula) – Headless spreadsheet library for parsing and evaluating Excel-compatible formulas with high-speed performance.

* [Univer v1.0.4](https://github.com/dream-num/univer) – Isomorphic full-stack framework supporting spreadsheets, documents, and presentations with extensible, high-performance features.

* [Grist v1.7.21](https://github.com/gristlabs/grist-core) – Modern relational spreadsheet combining spreadsheet flexibility with database robustness.

* [GenOffice v0.11.505](https://github.com/genspark-ai/genoffice) – AI-native office suite for macOS and Windows with AI-first editing across word processing, spreadsheets, presentations, and PDF.