The perfect use case is untrusted public networks where you want to avoid tracking. It’s just another layer of defense and i highly recommend using a VPN alongside this.
Source code and details: https://github.com/nikolas-trey/LANGhost
Description
LANGhost is a Linux anonymity hardening layer for systems managed by NetworkManager. It minimizes identity leakage across multiple network surfaces during connection setup, enforces privacy-focused connection configurations, and implements a fail‑closed mechanism that terminates or isolates connectivity when runtime checks detect unsafe conditions.
What it does
Source code and details: https://github.com/nikolas-trey/Prometheus
What Project Does:
Prometheus is a forensic intelligence toolkit for the Matrix federation. Given one or more target MXIDs, it reconstructs who invited them, where, and when, then monitors those spaces for ongoing activity.
Target Audience:
Private investigators, forensic analysts.
Why?
It helps investigators and forensic analysts reconstruct invitation chains and monitor related Matrix spaces so they can reliably attribute account relationships, timelines, and ongoing activity.
LANGhost hardens exactly the window between “network interface comes up” and “WireGuard tunnel is established.” Without it, your real MAC, hostname, and DHCP identifiers are visible to the public network operator during that bootstrap phase, before any application traffic is protected by the tunnel. I recommend not adding unnecessary complexity by chaining Tailscale and another VPN. A second VPN would only add value if you specifically need to hide your home IP from destination servers.