We have Minio as one of the S3 Apps provided within NS8.
this week, miio decided to play dirt, by publishing a PR, that removes features from the Dashboard, that were previosly free, and have them only available to enteprise plans. Implemented AGPL MinIO Object Browser simplified Console by bexsoft · Pull Request #3509 · minio/object-browser · GitHub
Already a fork has been created, GitHub - OpenMaxIO/openmaxio-object-browser: Forked UI for MinIO Object Storage
And there seems to be an alternative. Garage - An open-source distributed object storage service