Nebula Mesh VPN Review 2026: Self-Hosted on Noise Protocol
Your cloud servers, home lab, and laptop need to talk to each other without exposing ports to the open internet. But standard VPNs don’t scale to many endpoints. That’s where Nebula comes in. Nebula is an open-source overlay networking tool from Slack Technologies (17,553 GitHub stars). Instead of routing everything through a central gateway like traditional VPNs do, Nebula creates a peer-to-peer mesh. Every node talks directly to every other node — if the network allows it. On top of that, it uses the Noise Protocol Framework for encryption, a built-in certificate authority for authentication, and lighthouse nodes for peer discovery. ...