Prompt 2 by Panic - The best SSH client for iOS
Pisth - Pisth is an open source SSH and SFTP client for iOS.
SocketXP - Raspberry Pi and IoT device remote access, monitoring, control and management at scale.
Websecurify - Websecurify free and premium security tools automatically scan websites for vulnerabilities like SQL Injection, Cross-site Scripting and others
ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Commander One - Free dual-pane file manager for Mac with PRO Pack of features.