01
Multi-threaded Rust formula engine supporting 400+ Excel functions (XLOOKUP, INDEX/MATCH, dynamic arrays)
PURE RUST · WINDOWS 10/11 & WASM
01GridCraft · v0.10.0
FREE ALTERNATIVE TO MICROSOFT EXCEL
2026-10-21 · 71 MB · 105 MB RAM
GridCraft: Free Open-Source Microsoft Excel Replacement in Pure Rust
120 FPS spreadsheet for .XLSX, .CSV & .Parquet with 400+ Excel formulas and pivot tables.
GridCraft v0.10.0 — Authentic Native Capture
Runs 100% on your device via WebAssembly — zero files uploaded to any server.71 MB RUST · 105 MB RAM
02GridCraft
02
Scrolls 1,000,000+ rows at 120 FPS without freezing — opens massive .csv & .parquet files
PURE RUST · WINDOWS 10/11 & WASM
03
Pivot tables, conditional formatting, sparklines, and publication-grade charts
PURE RUST · WINDOWS 10/11 & WASM
04
Full .xlsx round-trip compatibility without Microsoft 365 licensing nag screens
PURE RUST · WINDOWS 10/11 & WASM
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Direct SQL & AI agent MCP query interface over open workbooks
PURE RUST · WINDOWS 10/11 & WASM
I/O
Native Formats
.xlsx.xls.csv.tsv.ods.parquet
Export: .xlsx, .csv, .pdf, .json, .parquet
03Download GridCraft
01 · DESKTOP LAUNCHER
GridCraft + ArteCraft.exe (7.4 MB)
Install & update all 13 native Rust apps in 1 click · 7.4 MB — Every package is dual-licensed MIT or Apache-2.0, scanned continuously, and verified against published SHA-256 checksums before installation.
01WINDOWS 10 / 11
Windows 10 / 11 (.EXE)
ArteCraft.exe (7.4 MB)Portable installation via ArteCraft.exe (7.4 MB) with automatic Desktop & Start Menu shortcuts
02WASM
Browser WebAssembly
/en/online/gridcraftRun instantly in Chrome or Edge via client-side WebAssembly with 0 bytes uploaded
04Honest Alpha Maturity & Current Limitations
GridCraft v0.10.0 — Honest Alpha Maturity & Current Limitations
- ▪ PowerQuery M-scripts and legacy COM/VBA add-ins are not supported
- ▪ 3D Maps plugins are excluded to keep the binary lightweight
Formats (.PSD/.DWG):.XLSX / .CSV / .PARQUET →