There are several open-source alternatives to Microsoft Office that you can use for creating and editing documents, spreadsheets, and presentations. Some popular options include:
LibreOffice: LibreOffice is a free and open-source suite of office productivity tools that includes a word processor (Writer), spreadsheet application (Calc), presentation software (Impress), and more. It is compatible with a wide range of file formats, including those used by Microsoft Office.
Apache OpenOffice: Apache OpenOffice is another open-source suite of office productivity tools that includes a word processor (Writer), spreadsheet application (Calc), presentation software (Impress), and more. It is compatible with a wide range of file formats, including those used by Microsoft Office.
Google Workspace (formerly known as Google Docs): Google Workspace is a cloud-based suite of office productivity tools that includes a word processor (Docs), spreadsheet application (Sheets), presentation software (Slides), and more. It is available for free with a Google account, and all files are stored in the cloud and can be accessed from any device with an internet connection.
Zoho Office Suite: Zoho Office Suite is a cloud-based suite of office productivity tools that includes a word processor (Writer), spreadsheet application (Sheet), presentation software (Show), and more. It is available for free with a Zoho account, and all files are stored in the cloud and can be accessed from any device with an internet connection.