How is LRO different from VPN, TeamViewer and ngrok?

All four get you to a remote machine, but they solve different problems. LRO opens a single, on-demand, end-to-end-encrypted TCP tunnel to a specific endpoint — not a whole network, not a shared screen, not a public URL.

Versus a VPN

A VPN joins entire networks together. That means a concentrator to run, client configuration to push, and a routing/subnet change on every machine that joins. You also get more than you usually want: a tunnel to the whole remote LAN rather than the one box you need. LRO opens a tunnel to a single endpoint, on demand, with no client-side network changes — the agent just dials out.

Versus TeamViewer / AnyDesk

Remote-desktop tools are built to put a human in front of a screen. They are great for helping an end user, but awkward for an administrator who manages many headless machines and wants to use real tools — SSH, RDP, a database client, a web admin panel. LRO tunnels the protocol, so you connect with whatever client you already use; there is no person-at-the-screen in the loop.

Versus ngrok

ngrok is a developer tool for exposing one local port to the public internet, typically for a demo or a webhook. LRO is a multi-tenant access platform: tunnels are private and end-to-end encrypted (never a public URL), and the system has organizations, granular per-user and per-endpoint permissions, and an audit log of who did what.