Gathered on July 1, 2021. Note that end-to-end encryption in a browser is not the same as client-side encryption as it fails to protect adequately from the server (it does not offer ‘zero-knowledge’ protection). Security experts consider javascript encryption in the browser “harmful”.
 |  |  |  |  |  |  |  | ||
|---|---|---|---|---|---|---|---|---|---|
| Licensing | Open source | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | |
| Unlimited storage and amount of files | Included | Included | Included | Included | Varies per plan | Not included | Varies per plan | Max 10 TB | |
| Large file support | Included | Included | 10GB | Included | 5GB | 10GB | 20GB | 25GB | |
| Self hosted / on premises | Included | Not included | Not included | Included | Not included | Included | Not included | Not included | |
| Global Scalability | Included | Included | Included | Not included | Included | Not included | Included | Unclear | |
| Clients | |||||||||
| Mobile clients | Apple Android | Apple Android | Apple Android | Apple Android | Apple Android | Apple Android | Apple Android | Apple Android | |
| Auto upload Images/Video/other files | Included/Included/Included | Included/Included/Not included* | Included/Included/Not included* | Included/Included/Not included | Only paid. Files can be done with external app / Only paid. Files can be done with external app / Not included* | Included/Included/Not included* | Included/Included/Not included* | Not included/Not included/Not included* | |
| Desktop clients | Apple Windows Linux | Apple Windows | Apple Windows | Apple Windows Linux | Apple Windows | Apple Windows | Apple Windows | Apple Windows | |
| LAN synchronization | Not included | Not included | Not included | Not included | Not included | Not included | Included | Included | |
| Extensible with Apps | Included | Not included | Included | Included | Included | Not included | Included | Included | |
| Server features | |||||||||
| Unified Search | Included | Full-text search costs money, cross-application search free | Included | Not included | full-text search paid, cross-app search not available | Included | full-text search only in paid versions, with 365 integration no cross-app search | Not included | |
| File versioning | Included | limited | limited | Included | limited | Included | limited | limited | |
| File locking/Checkout | Included | Not included | Included | Included | Included | Included* | Included | Included | |
| Multiple link shares | Included | Not included | Not included | Included | Not included | Not included | Not included | Not included | |
| Share note | Included | Not included | Not included | Not included | Not included | Not included | Not included | Not included | |
| Dashboard | Included | Included | Included | Not included | Not included | Included | Not included | Not included | |
| View PDF, Images, Video, Gallery | Included | Included | Included | Included | Included | Included | Included | Included | |
| Integrated Audio/Video/Text chat | Included/Included/Included | Included/Included/Included | Included/Included/Included | Not included/Not included/Not included | Not included/Not included/Not included | Included/Included/Included | Included/Included/Included | Not included/Not included/Not included | |
| Integrated Groupware (Calendar / Contacts / Mail / Kanban) | Included/Included/Included/Included | Included/Included/Included/Included | Included/Included | Not included/Not included/Not included/Not included | Included/Included/Included/Not included | Included/Included/G = through Google Apps | Not included/Not included | ||
| Mobile calendar/Contact integration | Included/Included | Included | Included | Unsupported. Available for iOS, Android possible with tool from Nextcloud partner / Unsupported. Available for iOS, Android possible with tool from Nextcloud partner | Not included | Not included | Not included | Not included | |
| Online Office web/ Mobile apps | Included/Included 4 options | Included/Included | Included/Included | Included/Not included 3 options | Included/Included | Included/Included | Included/Included | Included/Included | |
| Knowledge management | Included | Not included | Included | Not included | Not included | Not included | Not included | Included | |
| Forms and surveys | Included | Included | Included | Not included | Not included | Not included | Not included | Included | |
| User-managed groups | Included | Not included | Included | Not included | Not included | Included | Included | Not included | |
| File Drop (customer file upload) | Included | Included | Not included | Included | Not included | Included | Included | Included | |
| Video verification | Included | Not included | Not included | Not included | Not included | Not included | Not included | Not included | |
| Inter-server sharing | Included | Not included | Not included | Included | Not included | Not included | Not included | Not included | |
| Workspaces | Included | Not included | Not included* | Not included | Not included | Not included | Included | Not included | |
| Accessibility | |||||||||
| Keyboard/Screen reader support | Included | Included | Included | Not included | Included | Included | Included | Could not find information | |
| WCAG 2.1 support | AA/AAA | Included | Included | Not included | AA/AAA | Not included | Included | Not included | |
| Dyslexia-friendly font | Included | Included | Not included | Not included | Not included | Not included | Not included | Not included | |
| Admin features | |||||||||
| Access control lists | Included | Included | Included | Not included | Included | Included | Included | Included | |
| Content workflow automation | Included | Only via third party app | Included limited to admins | Included limited to admins | Included limited to admins | Included limited to admins | Included limited to admins | Included limited to admins | |
| Approval process workflow | Included | Not included | Included | Not included | Not included | Not included | Not included | Not included | |
| Cryptographic document signatures | Included | Not included | Not included | Not included | Not included | Not included | Not included | Not included | |
| Automatic script execution | Included | Not included | Included | Included | Not included | Included | Not included | Not included | |
| Impersonate users | Included | Included | Included | Included | Included | Included | Included | Included | |
| Real time notifications | Included | Included | Included | Not included | Included | Included | Included | Not included | |
| Monitoring web/API interface | Included/Included | Included/Included | Included/Included | Not included/Not included | Included/Included | Included/Included | Included/Included | Included/Included | |
| Data retention policy support | Included | limited | Included | Included | Included | Included | Not included | Included | |
| Long term support (5-10 years) | Included | N.A. | N.A. | Not included | N.A. | N.A. | N.A. | N.A. | |
| Branding | Included Easy self-service in UI or full custom CSS | very limited | Included | Included | Included | Not included | very limited | Included | |
| Compliance features | |||||||||
| Audit trail | Included | Included | Included | Included | Included | Included | Included | Included | |
| Imprint and privacy links | Included | Only to their imprint and privacy policy, not yours | Only to their imprint and privacy policy, not yours | Included | Only to their imprint and privacy policy, not yours | Only to their imprint and privacy policy, not yours | Only to their imprint and privacy policy, not yours | Included* | |
| Built in data-request/account deletion | Included | Included | Included | Not included | Included | Included | Included | Included | |
| Terms-of-service | Included | You and your customers you share with have to agree to their terms | You and your customers you share with have to agree to their terms | Not included | You and your customers you share with have to agree to their terms | You and your customers you share with have to agree to their terms | You and your customers you share with have to agree to their terms | Included | |
| Security features | |||||||||
| Server side encryption | Included | Included | Included | Included | Not included | Included | Not included | Not included | |
| Client side / End-to-end encryption | Included | Google is working to introduce this | Not included | Not included | Not included | Not included | Not included | Not included | |
| Video Verification | Included | Not included | Not included | Not included | Not included | Not included | Not included | Not included | |
| Brute force hacking protection | Included | Included | Included | Included | Not included | Included | Included | Included | |
| NIST compliant password policy | Included | Not included | Included | Not included | Included | Not included | Not included | Not included | |
| Web UI secured with CSP 3.0 | Included | Included | Not included | Not included | Not included | Not included | Not included | Not included | |
| Same-site cookie attribute | Included | Included | Included | Included | Not included | Included | Included | Not included | |
| File Access Control | Included | Not included | Not included | Included | Not included | Not included | Not included | Not included | |
| App access rights | Included | Included | Included | Not included | Not included | Not included | Included | Not included | |
| Authentication | |||||||||
| Enforceable 2-factor authentication | U2F/OTP/SMS Signal/Telegram notifications | U2F/OTP/SMS notifications | U2F/OTP/SMS notifications | Not included | SMS | SMS | SMS/U2F/OTP | OTP/SMS | |
| ML based suspicious login detection | Included | Included | Included | Not included | Included | Not included | Included | Not included | |
| LDAP/AD | Included | Included | Included | Included | Included | Included | Included | Included | |
| Native SAML | Included | Included | Included | Not included | Included | Included | Included | Included | |
| Auth via env variable | Included | Not included | Not included | Included | Not included | Not included | Not included | Not included | |
| Kerberos | Included | Not included | Not included | Included | Not included | Included | Not included | Included | |
| Storage | |||||||||
| File storage (local/NFS) | Included | Not included | Not included | Included | Not included | Included | Not included | Included | |
| Object storage (S3/Swift) | Included | Not included | Not included | Only support for outdated V2 authentication | Not included | Included | Not included | Included | |
| CIFS/Windows Shares | Included | Not included | Included | Included | Not included | Included | Not included | Included | |
| Sharepoint | Included 2013/2016 | Not included | Included | Included 2013/2016 | Not included | Paid only | Not included | Not included | |
| Extensible storage | Included | Not included | Included | Included | Not included | Included | Not included | ||
Based on public information to our best knowledge.