open2online https://www.curseforge.com/minecraft/mc-mods/open2online Used libraries: WeUPnP: https://github.com/bitletorg/weupnp WaifUPnP: https://github.com/adolfintel/WaifUPnP PortMapper: https://github.com/offbynull/portmapper
![Open2Online [Forge]](https://media.forgecdn.net/avatars/thumbnails/497/846/256/256/637814875515772327.png)