ThreeFold Planetary Network Connector is a desktop client (Windows, OSX, Linux) to connect to the ThreeFold Planetary Network. It's a GUI client to connect to the Planetary Network with one click.
See https://forum.threefold.io/t/how-our-planetary-network-works/1210
See releases page: https://github.com/threefoldtech/TF-NetworkConnector/releases
The Planetary Network uses Yggdrasil Network inside.
Please check corresponding OS README for development.