| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | Yes | — |
| Linux | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 1 | 1 |
| Spec score · SSH Clients | 8.0 (#11) | 7.3 (#26) |
| Authentication | Listed authentication methods include public keys, one-time passwords, and, in the portable release, Kerberos. | It can configure public-key authentication for selected remote computers; the private key is stored in a Windows key container and the Unix password is not stored. |
| File transfer | OpenSSH includes SFTP client and server support. | It supports single-file SCP transfers, recursive directory transfers, and directory transfers using on-the-fly TAR. |
| Platforms | The portable release is designed for Unix systems including Linux and macOS, as well as Cygwin, and says more systems are being added. | The download page lists Microsoft Windows 11, 10, 8.1, 8, 7, and 2008 as system requirements. |
| Purpose | OpenSSH provides encrypted connectivity for remote login and remote file transfers using the SSH protocol. | SmarTTY is a free multi-tabbed SSH client with SCP file transfer and in-place remote file editing. |