What you say made me think of hamachi, a nice vpn overlay network for windows (at first) from the late 90s, and guess what happened to it?<p>&gt; For paid subscribers Hamachi runs in the background on idle computers. The feature was previously available to all users, but became restricted to paid subscribers only [0]<p>More short sighted business practices as usual.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;LogMeIn_Hamachi" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;LogMeIn_Hamachi</a>