Spread: a native spreadsheet viewer for XLSX, CSV and Parquet

A GPUI desktop app claims to open a 30M-row Parquet file in under 100ms while rendering most XLSX formatting

I got board of opening spreadsheets with google sheets. So I've built `spread` a native spreadsheet viewer. Built with @zeddotdev 's GPUI. Can open xlsx, csv and parquet. Will open a 30M row parquet file in <100ms. Renders most xlsx fo

Ranked #2 on backlist 2026-05-21 (21 May 2026 UTC) · by @samuelcolvin (Samuel Colvin) · view on X ↗

How it ranks: Backlist reads my Twitter/X timeline, scores every tweet for substance with an LLM rubric (not engagement), and publishes the daily top picks with a one-line takeaway. Curated by Surya Dantuluri.