GridCraft - Open-source spreadsheet for data work
GridCraft is a free, open-source spreadsheet application created by ArtCraft. It supports XLSX files, formulas, charts, PivotTables, and familiar worksheet tools. Powered by Rust and WebAssembly, it runs in browsers and on desktop systems. Use it for budgets, sales dashboards, grade trackers, reports, and practical data work. As alpha software, compatibility limitations may apply.