GridCraft

Productivity · Office

Mac

Also available on Windows

Open-source spreadsheet with 500+ functions, dynamic arrays, PivotTables and charts; reads and writes .xlsx. In development; agents can drive it over MCP, CLI and JSON.

Get it

Download from the developer Mac disk image (DMG) GitHub

Install with Homebrew: brew install --cask gridcraft

The promise

✓ No ads
✓ No purchases
✓ No subscriptions
✓ No trials
✓ No nagging
✓ No surprise bundles

Transparency

✓ Open source ✓ No account needed

Something wrong?

Reports go to a human review queue. No timeline promised — this is a small pilot, but every report gets read.