Collabora Online is the commercial and managed-cloud edition of LibreOffice Online (the browser-based version of the ubiquitous open-source office suite) developed and supported by Collabora Productivity Ltd, a Cambridge, UK company founded around 2012 as a division of Collabora Ltd (the embedded Linux and open source consulting firm). The product delivers Writer, Calc, Impress, Draw, and Impress editing in the browser with real-time co-authoring and full compatibility with Microsoft Office formats (.docx, .xlsx, .pptx) and the Open Document Format (ODF). It integrates natively with Nextcloud, ownCloud, Seafile, Pydio, EGroupware, and other self-hosted platforms that need an in-browser document editor.
Two product tiers exist: the CODE (Collabora Online Development Edition) is a freely downloadable rolling-release development build suitable for testing, home use, and small teams; the Business subscription starts at €3 per user per month and includes Long Term Support (LTS) releases, signed security updates, SLA-backed support, and enterprise deployment tools for large-scale Kubernetes rollouts. Educational institutions and non-profits receive custom pricing.
For EU-sovereignty procurement Collabora Online sits in an interesting middle position. The core product is open source (MPL-2.0 / LGPL) and fully self-hostable: running the open-source server on EU infrastructure (Hetzner, OVHcloud, Scaleway, IONOS, STACKIT) delivers no CLOUD Act exposure and is the procurement-grade recommended path for EU public sector. The hosted cloud, operated by Collabora Productivity Ltd (Cambridge, UK, other post-Brexit), uses UK + Canada primary infrastructure and US sub-processors (Google Workspace for internal tooling, US invoicing processors) covered by Standard Contractual Clauses. No ISO 27001 or EU-specific certifications captured at audit. 200+ partner integrators globally available for deployment support. Best fit: EU organisations already running Nextcloud or ownCloud wanting an integrated in-browser office editor; EU public sector buyers needing a libre-software alternative to Microsoft 365 Online; development and home-lab use cases via the free CODE edition.