OnlyOffice

medium
Productivity

Online office suite with document, spreadsheet, and presentation editors compatible with MS Office.

2 GB RAM min Docker required Active development
GitHub Docs Website

Pros

  • Best MS Office compatibility of open source options
  • Real-time collaboration
  • Integrates with Nextcloud and Seafile
  • Clean modern interface

Cons

  • Resource intensive
  • 20 concurrent connection limit in free version
  • Closed-source components in some builds
  • Complex deployment

Tags

officedocumentsspreadsheetscollaborationediting

Running this on your own server?

Hetzner — get €20 free credit More hosting options →

(referral link — new users get €20 in cloud credits, we earn €10 in credit)

Related Apps

AFFiNE

medium

Open-source alternative to Notion and Miro combining docs, whiteboards, and databases.

1 GB RAM Docker Mobile

AppFlowy

medium

Open-source Notion alternative for project and knowledge management.

1 GB RAM Docker Mobile

Collabora Online

medium

LibreOffice-based online office suite for collaborative document editing in the browser.

2 GB RAM Docker