Forklift - The most advanced dual pane file manager and file transfer client for macOS.
Userify - Userify is a cloud-based SSH key management solution.
Commander One - Free dual-pane file manager for Mac with PRO Pack of features.
Ganymed SSH-2 - Ganymed SSH-2 for Java is a library which implements the SSH-2 protocol in pure Java.
Xversion - Super easy enterprise class version control.
SecureBridge - Сlient and server components for SSH, SFTP, FTPS, SSL, HTTP/HTTPS, WebSocket, and SignalR protocols