| Service Profile 1 | Small fixed free quota; subject to account limits | SFTP and web-based file transfer | Strong — SSH encryption for SFTP | Shared folders and permission-based access | Suitable for distributed teams; verify regional availability | Use unique passwords, 2FA where available, and least-privilege permissions |
| Service Profile 2 | Free tier with storage and monthly bandwidth caps | FTPS and browser upload; FTP may be available without encryption | Moderate to strong when TLS is enforced | Link sharing and basic folder collaboration | Browser access generally supports international collaboration | Avoid unencrypted FTP because credentials and files can be exposed |
| Service Profile 3 | Limited free storage with file-size restrictions | SFTP, FTP client support, and web portal | Strong for SFTP connections | Basic user invitations; advanced administration may require payment | Check latency, data-center location, and local access restrictions | Good fit for controlled file exchange; maintain audit logs when available |
| Service Profile 4 | Free community or personal plan; inactivity limits may apply | WebDAV or HTTPS-based transfer; FTP compatibility varies | Strong through HTTPS | Simple shared links and document access | Convenient for international users with standard web access | Review public-link controls, expiration settings, and account recovery options |
| Service Profile 5 | Free self-hosted software; infrastructure is not included | FTP, FTPS, and SFTP depending on server configuration | Configurable — depends on administrator settings | Granular accounts, groups, quotas, and directory permissions | Requires reliable hosting, global routing, backups, and monitoring | Maximum control, but patching, encryption, backups, and compliance are the owner’s responsibility |
| Service Profile 6 | Free trial or promotional quota with expiration conditions | SFTP or FTPS through desktop clients and automation tools | Strong when secure protocols are selected | File requests, shared directories, and limited team roles | Confirm data-residency choices and service availability by country | Check retention, deletion, abuse-monitoring, and support policies before business use |
| Service Profile 7 | Free plan focused on occasional transfers; bandwidth may be limited | HTTPS upload, SFTP, or secure file-request workflow | Moderate to strong depending on the enabled protocol | One-time links, upload requests, and basic collaboration | Useful for external partners; test performance from key regions | Use expiring links, malware scanning where offered, and separate accounts for external users |