What is my IP? - Find out what your IP is. Do not hesitate to open wimip.
TrueIP - TrueIP is a small program that runs in the system tray, monitoring your IP address(es).
IP-Toolbox.com - IP-Toolbox.com is the best site for quick and easy viewing of your public IP address and other related information.
GRC Port Scan - GRC Internet Security Port Scanner. Tests for open ports on your external IP address.
What is My IP Live - Find your IPv4 and IPv6 just by visiting whatismyip.live - complete IP geolocation is also provided along with some other useful IP tools.
Skeebus - Skeebus is a macOS menu bar app that displays your current public IP address