JUICE is a UDP Interactive Connectivity Establishment library

Get your external IP address using multiple STUN servers

Use regular network applications like p2p without fixed public IPs and through NAT.

Get your external IP address from command line - STUN, DNS, HTTPS API supported

Very rudimentary STUN client written in C# based on RFC8489

STUN/TURN Client in Swift

Go package which retrieves external address IP using STUN servers

A STUN library and example CLI application to aid in NAT traversal

STUN client implementation in F#.