Microsoft Excel, LibreOffice - Calc, Google Sheets, ONLYOFFICE, Numbers, Etherpad, Excel Online, NeoOffice, Simple Spreadsheet, Gnumeric, Grist, ZK Spreadsheet, Panxpan, CryptPad, Excel Formula Beautifier, Handsontable, Spread32, RevoGrid, Flexmonster, Sheetgo, Zoho Sheet, Framacalc, Luckysheet, Sheetster, Koia, Morphit, dhtmlxSpreadsheet, TeamDesk, Socialcalc, SSuite Axcel Professional Spreadsheet, Spreadsheet Conversion Tool, Apache OpenOffice Calc, Keikai, TableEdit, iPushPull, Arcane Sheets, SpreadsheetLIVE, Simple Sheets, CollateBox, Resolver One, Viravis, Fieldbook, Ethersheet, Dirigible, EFRAC Spreadsheet, EditGrid, Merge Math, Google Cloud Connect, Polar SpreadSheet 2020, Calc XLS are some alternatives to EtherCalc.