Open source alternatives to Google Workspace

A powerful open-source solution for managing, organizing, and searching your digital documents with ease and efficiency.

Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.

ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.

Open-source online editor for documents, spreadsheets, presentations, and PDFs. Features real-time collaboration, AI integration, and accessibility tools.

Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.

Collabora Online is a collaborative online office suite based on LibreOffice technology. This is also the source for the Collabora Office apps for iOS and Android.