Open Source Alternatives to Nextcloud

A content collaboration platform that provides self-hosted file storage and synchronization. The software combines file management, audio and video conferencing, text chat, and a groupware suite including calendars, contacts, and email. It includes a LibreOffice-based online office suite for collaborative document editing and an integrated AI assistant for content generation and data queries. The platform is designed for governments, enterprises, service providers, and educational institutions that require digital sovereignty and data privacy. It is deployed on-premises and scales from small installations on a Raspberry Pi to globally distributed environments for millions of users. The system includes automation components to streamline internal workflows and provides an API for collaboration across different services. It is developed using an open-source community model.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Nextcloud give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Nextcloud. The most popular is bewCloud. It uses the AGPL-3.0 license and ships an official Docker image.