AllNewTools DataKit

Local CSV and spreadsheet tools use these open-source browser engines:
- PapaParse 5.7.0 — MIT — https://www.papaparse.com/
- ExcelJS 4.4.0 — MIT — https://github.com/exceljs/exceljs
- js-yaml 5.5.0 — MIT — https://github.com/nodeca/js-yaml
- Chart.js 4.6.1 — MIT — https://www.chartjs.org/
- zip.js — BSD-3-Clause — https://gildas-lormeau.github.io/zip.js/

License copies for DataKit engines: ./licenses/
Shared zip.js license: /licenses/zipjs-BSD-3-Clause.txt
Package provenance and asset hashes: ./engines.json

User file contents stay in the browser. No conversion API, paid service or remote document processing is used. Spreadsheet exports contain values, not original workbook formatting or recalculated formulas.