Overview of self-hosted NAS operating systems and cloud storage services.

## Self-hosted NAS

- **[Synology](https://www.synology.com/)** — NAS hardware vendor with DiskStation Manager (DSM) OS; supports file sharing, backup, and cloud sync
- **[TrueNAS](https://www.truenas.com/)** — open-source NAS OS based on FreeBSD (formerly FreeNAS); supports ZFS, SMB, NFS, and iSCSI
- **[OpenMediaVault](https://www.openmediavault.org/)** — open-source NAS OS based on Debian; managed via web UI with plugins for extending functionality
- **[Unraid](https://unraid.net/)** — NAS and home server OS with support for mixed-size drives, VMs, and Docker containers

## Cloud storage

- **[Mega](https://mega.nz/)** — end-to-end encrypted cloud storage with desktop and mobile sync clients
- **[Dropbox](https://www.dropbox.com/)** — cloud file storage with selective sync and Paper collaboration
- **[Google Drive](https://www.google.com/drive/)** — cloud storage integrated with Google Workspace
- **[OneDrive](https://onedrive.live.com/)** — Microsoft cloud storage integrated with Windows and Microsoft 365
- **[Box](https://www.box.com/)** — cloud storage and collaboration platform focused on enterprise use cases
- **[Icedrive](https://icedrive.net/)** — cloud storage with client-side encryption and a virtual drive interface
- **[MediaFire](https://www.mediafire.com/)** — file storage and sharing with direct download links

## Developer storage

- **[iCloud for Developers](https://developer.apple.com/icloud/)** — Apple's CloudKit framework for storing app data in iCloud