PuTTY - Popular free terminal application. Mostly used as an SSH client.
Hamachi - Hamachi is a VPN service scaled to the unique needs of business owners.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Wippien - Free p2p VPN software - establish personal p2p network with friends from your contact list.Downloads · miniVPN · FAQ · Linux version of free p2p VPN .
iTerm2 - A terminal emulator for macOS that does amazing things.
Tunngle - For the longest time, it was not possible to play video games online with others. If you wanted to play multiplayer, you had to join your friends in person and play on a single console with multiple controllers. Read more about Tunngle.