Microsoft Excel, ONLYOFFICE, WPS Office, Office Online, Microsoft Works, Trio Office, NeoOffice, Joeffice, SSuite Office, IBM Docs, Oracle Open Office, Corel WordPerfect, CryptPad, Arcane Office, Ultra Office, Polaris Office, AppleWorks, Apple iWork, Calligra Suite, Ashampoo Office, EuroOffice, TheRightMargin, Collabora Online, OfficeWork Office Online, Live Documents, Open365, Truly Office, Yozo Office, Ability Office, Siag Office, Oxygen Office, CollateBox, Novus Office, Conholdate.Total for Java, Go-oo, Conholdate.Total for .NET, Zoho Workplace, Office Reader, Rizonesoft Office are some alternatives to Apache OpenOffice.