Proton Sheets is described as 'End-to-end encrypted online spreadsheets enabling secure, real-time collaboration, access management, automatic calculations, and cross-device sharing for team data analysis' and is a Spreadsheet app in the office & productivity category. There are more than 50 alternatives to Proton Sheets, not only websites but also apps for a variety of platforms, including SaaS, Windows, Mac and Linux apps. The best Proton Sheets alternative is LibreOffice - Calc, which is both free and Open Source. Other great sites and apps similar to Proton Sheets are Microsoft Excel, Google Sheets, Collabora Office Classic and Baserow.
OrcaSheets is local-first analytics that runs on your laptop, letting you ask questions in plain English and get instant answers from unlimited data. Automate repetitive work, connect your databases, and eliminate cloud bills–all in a lightweight tool that keeps your data yours.
HS Sheet is a simple application that allows you to open, edit, save, and print excel documents.
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