Nextcloud
Achieve data sovereignty with a self-hosted content collaboration platform. Features file sync, chat, video calls, groupware, and an online office suite.
Open Source Free Tier
Visit website
Tag
#online-office
3 European products tagged Online Office. Discover privacy-focused, GDPR-compliant European alternatives.
Collabora Online
Powerful online document editing suite for teams. Compatible with Microsoft Office, GDPR compliant, self-hosted. Easy integration with 200+ partners worldwide.
ONLYOFFICE
Open-source online editor for documents, spreadsheets, presentations, and PDFs. Features real-time collaboration, AI integration, and accessibility tools.