SecureBridge - Сlient and server components for SSH, SFTP, FTPS, SSL, HTTP/HTTPS, WebSocket, and SignalR protocols
Egnyte - Enterprise File Sharing
FireSSH - After 13 years and 25 million downloads later, Firefox has officially removed FireFTP and FireSSH support from the browser. Thus, I've ended support / development of the addons. I recommend switching to Waterfox to continue using the addons.
Azure Key Vault - Safeguard cryptographic keys and other secrets used by cloud apps and services with Microsoft Azure Key Vault. Try it now.
Userify - Userify is a cloud-based SSH key management solution.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.