LeapRows is a blazing-fast, browser-based CSV analysis tool powered by DuckDB-WASM. It handles 1,000,000+ rows directly in your browser — no server uploads, no Python setup, no file splitting required.




Excel Online is described as 'Part of , is the online version of Microsoft Excel' and is a Spreadsheet app in the office & productivity category. There are more than 50 alternatives to Excel Online for a variety of platforms, including Web-based, Windows, Mac, Linux and Android apps. The best Excel Online alternative is LibreOffice - Calc, which is both free and Open Source. Other great apps like Excel Online are Proton Sheets, Google Sheets, IronCalc and EtherCalc.
LeapRows is a blazing-fast, browser-based CSV analysis tool powered by DuckDB-WASM. It handles 1,000,000+ rows directly in your browser — no server uploads, no Python setup, no file splitting required.




BizMagnets helps mid-market businesses manage support, service, and field ops over WhatsApp with structured ticketing and automated workflows.

HS Sheet is a simple application that allows you to open, edit, save, and print excel documents.

An online fundraising platform for schools, non-profits and businesses looking to give away NFTs and enable NFT gated experiences.

Has no Excel-like features at all.