Drag-n-Drop build a Network hub from your computer.
Visually build an Ethernet switch from network cards of your computer. This simple tool acts as an Ethernet switch/hub forwarding packets between network cards on the computer. It shows the passing traffic with graphical indicators. Allows to configure for each hub slot individually.
ROVELLA allows to share TCP resources over the internet, also from machine behind firewall and without a public IP nor static.
It is simple and inexpensive.
You can run multiple instances on a single public machine to share multiple services also on different machines.
Version is 0.1, but it works pretty well!