Open-source alternatives to Google Workspace

1 community-reviewed projects you can use instead of Google Workspace.

1. Nextcloud - Nextcloud is a self-hosted file sync, sharing and collaboration platform that lets you store and access files, calendars, contacts and documents on your own server or private cloud. It offers desktop clients for Windows/macOS/Linux, mobile apps, and a large app ecosystem including Talk and online office integrations. (Licence: AGPL-3.0)