Probably not an exciting answer but my work focused on stability and performance. There are indeed a lot of cool alternatives. I think Localxpose is for businesses who aren't interested in self-hosting and just need a service that will reliably handle production traffic. I don't know if that's unique (or cool, lol)
Alrighty, well I might through it into the BrowserBox mix. We are currently using a variety of tunnels for punching through network layers and providing networking flexibility.