Top 10 Stun Open-Source Projects

ejabberd

3 5,916 9.7 Erlang

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)
turn

3 1,699 7.5 Go

Pion TURN, an API for building TURN clients and servers
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
SIPSorcery

9 1,309 8.5 C#

A WebRTC, SIP and VoIP library for C# and .NET. Designed for real-time communications apps.

Project mention: VoRS: Vo(IP) Simple Alternative to Mumble | news.ycombinator.com | 2024-04-19

webrtc-nuts-and-bolts

5 890 10.0 Go

A holistic way of understanding how WebRTC and its protocols run in practice, with code and detailed documentation.
stunner

4 709 7.4 Go

Stunner is a tool to test and exploit STUN, TURN and TURN over TCP servers.
go-stun

0 637 5.4 Go

A go implementation of the STUN client (RFC 3489 and RFC 5389)
stun

3 567 6.8 Go

A Go implementation of STUN (by pion)
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
libjuice

2 365 7.2 C

JUICE is a UDP Interactive Connectivity Establishment library
violet

2 180 4.6 C

Lightweight STUN/TURN server
myip

7 39 3.7 Makefile

Get your external IP address using multiple STUN servers

Project mention: Icanhazip: A simple IP address tool survived a deluge of users (2021) | news.ycombinator.com | 2023-07-31

Why not use protocols which are purposely designed to report mapped IP address like STUN? It's faster as UDP exchange is shorter than 3-way TCP handshake (or even TCP+TLS handshake).
Here is an implementation which uses parallel STUN queries to report address reliably as fast as possible: https://github.com/Snawoot/myip

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).