Collabora Online is an open-source online document collaboration suite enabling real-time collaborative editing of documents similar to commercial offerings like Google Docs or Microsoft Office 365. The service provides document editors for text documents (Writer), spreadsheets (Calc), presentations (Impress), and vector graphics (Draw). Collabora Online can be self-hosted on organization infrastructure, providing complete control over data and deployment. The platform integrates with popular content management systems and cloud storage solutions, including Nextcloud as a primary integration partner. Collabora Online supports simultaneous editing by multiple users with real-time synchronization and presence indicators. The service preserves document formatting and compatibility with Microsoft Office and OpenDocument formats. Collabora Online emphasizes privacy and data sovereignty, as self-hosted deployments keep documents on internal infrastructure without external cloud dependencies. The platform is suitable for organizations prioritizing data control and seeking open-source alternatives to commercial SaaS document collaboration tools.
