GridCraft
Open-source spreadsheet in pure Rust. Reads and writes XLSX, with formulas, charts, and PivotTables.
Key features
- XLSX is the native format, including styles, formulas, tables, charts, and PivotTables
- 500+ worksheet functions, plus dynamic arrays, LET, and LAMBDA
- Native apps for macOS, Windows, Linux, and BSD, plus the browser
- Agents run the same commands through MCP, a JSON channel, or the CLI
- Also opens CSV and TSV, and can import .xls, XLSB, and ODS worksheet data
- Copy-on-write workbooks with incremental recalculation
- No subscription and no telemetry, under MIT or Apache-2.0
- Category
- Dev Tools
- Who it's for
- People who want an open-source spreadsheet, including agents that edit workbooks.
- Tags
- rustspreadsheetmcpterminaltool-callingpayments
- Website
- getartcraft.com
- Listed
- 2026-10-16
Frequently asked questions
Is GridCraft free?
Yes. GridCraft is open source and free to use.
What is GridCraft used for?
Open-source spreadsheet in pure Rust. Reads and writes XLSX, with formulas, charts, and PivotTables. Typical uses: xLSX is the native format, including styles, formulas, tables, charts, and PivotTables; 500+ worksheet functions, plus dynamic arrays, LET, and LAMBDA; native apps for macOS, Windows, Linux, and BSD, plus the browser.
What are the best GridCraft alternatives?
Alternatives in the same category include WordCraft, Agent Toolkit for AWS, SkillSpector, HatchZip, DigUp.
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