**Show HN: Purple Hammer – construction takeoff and estimating in Tauri/Rust/WASM**

> PDF takeoff for construction estimators and QS teams — mark up drawings, measure quantities, compare revisions, and price the job in live spreadsheets. Mac and Windows. Takeoffs · Markups · Estimating Everything you actually use in your takeoff software: Markups Batch compare  · Manually align  →  &\#10003; Auto-align & compare in under 2 seconds Works with Mac. For real. Loadi...

**来源信息**
- **来源**：Hacker News：AI 热帖
- **分类**：ai-products
- **发布时间**：2026-07-28 22:27（北京时间）
- **原文**：[打开原文](https://purple-hammer.com/)