Passly from ID Agent - Passly from ID Agent is an access and identity management software solution that allows you to provide the employees with the right and proper access based on their authority and company policy and regulations.
SecureBridge - Сlient and server components for SSH, SFTP, FTPS, SSL, HTTP/HTTPS, WebSocket, and SignalR protocols
CyberArk Workforce Identity - Give your workforce simple and secure access to business resources with CyberArk Workforce Identity. Empower your workforce while keeping threats out.
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.
GateKeeper Proximity - Proximity passwords for PC, Mac, websites, and desktop applications. Get instant authentication with GateKeeper wireless, hands-free security key. Anti-phishing, secure, passwordless, proximity-based wireless access token for computers/websites.
Userify - Userify is a cloud-based SSH key management solution.