09 / GridCraft · Available (v0.6.1)Alternative to Microsoft Excelgithub.com/storytold/gridcraft

Rust SIMD 하드웨어 가속 기반의 고성능 대규모 데이터 스프레드시트.

멀티스레드 수식 계산, 피벗 테이블, 차트 엔진 및 완전한 .xlsx 상호 운용성을 통해 100만 행 이상의 대용량 데이터도 끊김 없이 부드럽게 처리합니다.

02 / Performance

Built for Real-World Data Analysis

01 / 1,000,000 Rows

Rust Formula Engine

Calculates 1 million cells with SUM, VLOOKUP, INDEX/MATCH, and IFS in 42 ms using multi-threaded Rust SIMD instructions without freezing the UI.

02 / Native .xlsx

Full Excel Parity

Open, edit, and save Microsoft Excel .xlsx files. Preserves cell formulas, number formatting, borders, fill colors, and conditional formatting rules.

03 / Visual Analytics

GPU Charts & Sparklines

Clustered column, line, bar, area, scatter, and pie charts rendered directly via wgpu shaders with smooth pan and zoom interactions.

04 / Zero Lag

Smooth 120 FPS Scroll

Virtual cell grid viewport renders only visible cells on screen. Scroll through massive financial ledgers without stutter or white flashes.

05 / Local Privacy

100% Offline Financials

Never leak internal financial models to cloud telemetry or third-party servers. All calculation and storage stays strictly on your local disk.

06 / Agent Ready

MCP & Python CLI

Let Claude, Cursor, or automated python scripts synthesize data, generate summary pivot views, and populate templates over Model Context Protocol.

Breakdown

GridCraft vs. Microsoft Excel 365

MetricGridCraft (Pure Rust)Microsoft Excel 365
Cost & LicensingFree forever (Open Source MIT/Apache)$69.99 - $99.99 / year recurring
Calculation EnginePure Rust SIMD multi-threadedLegacy C++ COM runtime
Large Sheet Performance1M rows in 42msNoticeable freeze with complex formulas
Cloud Privacy100% offline, zero telemetryContinuous OneDrive cloud telemetry
Agent ProtocolNative Model Context Protocol (MCP)Proprietary Office Scripts
Downloads

Direct Release Packages for All Platforms

Direct Cloudflare R2 binary distribution with 1-year immutable caching and GitHub fallback.

macOS

macOS Universal

Apple Silicon (M1/M2/M3/M4) & Intel 64-bit.

Download .dmg
Windows x64

Windows 64-bit MSI

Standard Windows 10 & 11 installer package.

Download .msi
Windows Portable

Portable ZIP (No Install)

Zero admin rights needed. Unzip and run.

Download .zip
Windows ARM64

Windows on ARM

Native build for Surface & Copilot+ PCs.

Download .msi