Minio - Minio is an open-source minimal cloud storage server.
Communifire - Enterprise Social Collaboration Software
Google Cloud Storage - Google Cloud Storage offers developers and IT organizations durable and highly available object storage.
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
Azure Blob Storage - Use Azure Blob Storage to store all kinds of files. Azure hot, cool, and archive storage is reliable cloud object storage for unstructured data
eXo Platform - Digital workplace solution