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GridCraft

GridCraft

An open-source spreadsheet — reads/writes .xlsx with formulas, PivotTables, charts and conditional formatting.

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Features

Open SourceOffice

Screenshots

GridCraft screenshot 1

System Requirements

Minimum 4GB RAM. Low storage requirement (1GB reserved).
macOS 15+: Supports both Intel and M-series chips.
Windows 10/11 64-bit: No specific GPU requirements.

Introduction

Note: this page only catalogs third-party open-source projects and links to their official repositories; it neither develops, hosts nor distributes any software and assumes no liability. These are independent, open-source works written from the ground up, unaffiliated with and not authorized by any third-party commercial software or its maker; any third-party names, formats or trademarks are referenced for interoperability and description only.

GridCraft is a free, open-source spreadsheet / data app, written independently in Rust, bringing the familiar grid-and-formula workflow to both desktop and browser — fast, with no cost, no subscription and no forced network access.

What it lets you do:

  • Build sheets and crunch numbers: cells, formulas and functions (averages, conditional logic like IFS, and more), totals rows and filtering for budgets, gradebooks and reports.
  • Pivot and visualize: summarize data with PivotTables, chart it with live column/pie charts, and make it legible with conditional formatting, data bars and sparklines.
  • Compatible with common spreadsheet formats (.xlsx): open and keep editing these workbooks, so you interoperate with other people's existing files.

Product highlights:

  • Native, pure Rust: from desktop all the way to the browser (WebAssembly) — not a webview wrapper.
  • Scriptable and agent-ready: every action is a command, reachable from the CLI, a JSON control channel or an MCP server for AI agents to build sheets, compute and chart in bulk.

Team & tech: built by the community ArtCraft team (GitHub user storytold, site getartcraft.com); the Craft series is 100% pure Rust, an independent open-source work unaffiliated with any third-party commercial software.

Platforms: macOS, Windows, Linux, BSD, and a browser (WebAssembly) build.

GitHubhttps://github.com/storytold/gridcraft
Homepagehttps://getartcraft.com/