LeapRows is described as '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' and is a Spreadsheet app in the development category. There are four alternatives to LeapRows, not only websites but also apps for a variety of platforms, including Android, iPhone, Chrome OS and Android Tablet apps. The best LeapRows alternative is LibreOffice - Calc, which is both free and Open Source. Other great sites and apps similar to LeapRows are Microsoft Excel, Google Sheets and Excel Online.
LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.org Calc, professional data miners and number crunchers will appreciate its comprehensive range of advanced functions.
Comprehensive spreadsheet tool offering advanced data management with features like pivot tables, data visualization, and customizable charts for professional use in creating detailed reports and analyses.
Cloud spreadsheet app featuring real-time editing, support for Excel and CSV import/export, chart building, formula functionality, integrated chat, access controls, cloud syncing, access via web and mobile platforms, scripting, embedding, templates, and Drive integration.
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