Apps similar to EtherCalc include ONLYOFFICE, which is free and open source. Other options are LibreOffice - Calc, CryptPad, Microsoft Excel and Proton Sheets. There's no shortage of Spreadsheet Apps like EtherCalc, with more than 50 alternatives for Windows, the web, Mac, Linux and Android.
CubeWeaver is a collaborative multidimensional spreadsheet software especially useful for financial planning, financial modelling, budgeting, reporting and what-if simulations.
Germany
EU
Keikai is the only Web Spreadsheet designed and architected for big data — and is the fastest web spreadsheet regardless of size. Other advanced features include embeddable in your Web Apps, providing true Excel experiences and more.
Taiwan
Spreadsheet syncs with databases and business applications, enabling access to live business data, custom reporting, visualization, and analytics for various roles such as operators, marketers, analysts, and sales teams, including integrations with popular tools.
United States
Sheetster is a web-based spreadsheet (i.e. Excel) editing, viewing and sharing tool. Upload your spreadsheets (or create new ones), edit spreadsheets in Excel-like interface, and securely share them with others (friends, coworkers, family, etc).
United States
Handsontable is a JavaScript Spreadsheet Component available for React, Angular and Vue.
ZK Spreadsheet is a Google Spreadsheet like collaborative online spreadsheet. Unlike Google Spreadsheet, ZK Spreadsheet can be self-hosted in-house and easily installed in just a few clicks.
Taiwan
SolidSheets offers a user-friendly interface and powerful features to manage and analyze your data. Easily open, edit, and print CSV, SSFS/SSFS64, and XLSX files. With advanced formulas, charts, and machine learning algorithms, accelerate your workflow.
Türkiye
wikiCalc is a wiki-based spreadsheet developed by Dan Bricklin and released under a GPL license. SocialCalc is co-developed with Dan and Socialtext, released under SPL and is being integrated with Socialtext Open.
“Simplest way to organize & share parts of your growing spreadsheet”
Bring your data lists into CollateBox and get ready spreadsheet-like templates with ready data validation . Generate online forms instantly, track data changes & stay updated with email/mobile SMS trigg.
SpreadsheetLIVE delivers a fully featured spreadsheet application environment for the web browser.
United States
A lightweight, native Mac spreadsheet app. Open and save .xlsx files in-place. 200+ formulas, charts, conditional formatting.
United Kingdom
