Alternatives to Collabora Online
LibreOffice running in the browser with real-time collaboration. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Collabora Online
LibreOffice running in the browser with real-time collaboration.
Replacements
Listings that take over the same core job as Collabora Online.
ONLYOFFICE DocSpace
A document collaboration platform built around rooms where teams and guests co-edit and review office files.
ONLYOFFICE DocSpace offers room-based co-editing of office files, hosted or self-hosted, but it is not open source according to the roster.
CryptPad
End-to-end encrypted collaborative office suite.
CryptPad is an AGPL-3.0 office suite with end-to-end encryption so the server cannot read documents, though this limits features such as full-text search.
Google Workspace
Google's online office suite with Docs, Sheets, Slides, Gmail, Drive and Meet in one account.
Google Workspace provides Docs, Sheets and Slides with mail and meetings in the browser, but it is closed source and cannot be self-hosted.
Microsoft 365
Word, Excel, PowerPoint and Outlook with cloud storage and collaboration.
Microsoft 365 offers Word, Excel and PowerPoint with real-time co-authoring on desktop, web and mobile, under subscription pricing and closed source.
Zoho Workplace
An online suite from Zoho combining mail, team chat, meetings, file storage and office editors.
Zoho Workplace combines office editors with mail, chat and meetings, but it is hosted only, keeping data on Zoho's servers.
LibreOffice
The full free office suite: word processor, spreadsheet, presentations, drawing, database and formula editor.
LibreOffice is the free desktop suite Collabora Online is based on, running on Windows, macOS and Linux but without real-time collaboration built in.
ONLYOFFICE Desktop Editors
A free desktop office suite built around close compatibility with DOCX, XLSX and PPTX.
ONLYOFFICE Desktop Editors is a free, open source desktop suite focused on DOCX, XLSX and PPTX, and can connect to a self-hosted server for collaboration.
Also worth comparing
These listings name Collabora Online as their own alternative, so the relationship runs both ways.
Etherpad
Real-time collaborative plain-text editor you host yourself.
Collabora Online provides full LibreOffice word processing in the browser with real-time collaboration, but its server rendering is resource hungry and production use is paid.
WPS Office
Office suite with strong Microsoft Office file compatibility.
Collabora Online brings LibreOffice to the browser with real-time collaboration and self-hosting, but production use is a paid subscription.
Similar software
Related functionality, not a direct replacement.
Google Drive
Google's cloud storage and file sharing service with desktop sync and mobile apps.
Overleaf
Collaborative LaTeX editor that runs in the browser.
LogicalDOC Community
Community edition of a document management system with search and APIs.
Zoho WorkDrive
Online file storage and collaboration platform for teams, with a desktop app and Android app.
