recalc

Local spreadsheet where any cell can be a terminal or a coding agent, with test cells that check its work.

AI tool
Free

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Pricing

Free and open source (Apache-2.0); runs on your computer. Agents use your own Claude Code, Codex or pi accounts.

Overview

recalc is a spreadsheet that runs on your computer where each cell can hold a number, a formula, a terminal command or an AI agent such as Claude Code, Codex or pi. You watch agents write plans and results into cells, steer them by editing cells, and put test cells beside them that turn red when something fails. You can also list documents down the side and questions across the top, and agents fill in each answer with a link to the exact passage. It is in early beta on macOS (Linux experimental), and agent and terminal cells run real commands on your machine.

Key features

Cells can be values, formulas, terminals or agents
Test cells that re-run and flag failures
Document question grid with linked quotes
Needs You list for questions and errors
No account or server; boards are local folders
Export to Excel

Use cases

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Last updated 2026-11-09

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