Apps with 'Tunnel' feature

ngrok exposes local servers behind NATs and firewalls to the public internet over secure tunnels.How it works

Netcat is a featured networking utility which reads and writes data across network connections, using the TCP/IP protocol.

This is the GUI client for the OpenConnect VPN, an open-source alternative to Cisco AnyConnect.

ProxyCap enables you to redirect your computer's network connections through proxy servers.

SSH Proxy can help you turn any remote SSH server into a SOCKS v5 proxy, intuitive and easy to use.

An open source serveo/ngrok alternative. HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.

Core Tunnel is the best way to manage your SSH tunnels, with OS X Keychain integration. You can manage multiple tunnels in parallel, supports password/keyboard/pubkey authentication methods, creates local/remote/dynamic port forwarding tunnels & more.

Sidestep sits quietly in the background, protecting your security and privacy as you browse the web.

SSH Tunnel Manager is a tool to manage SSH Tunnels (commonly invoked with -L and -R arguments in the console).

VDE is an ethernet compliant virtual network that can be spawned over a set of physical computer over the Internet. VDE is part of virtualsquare project.

BitlBee brings IM (instant messaging) to IRC clients.

DNScapy is a DNS tunneling tool. The code is very light and written in Python. It includes a server and a client. The server can handle multiple clients.

iodine is a free (ISC licensed) tunnel application to forward IPv4 traffic through DNS servers (IP over DNS). Works on Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X and Windows.

Tunnel Manager allows users to easily manage a configurable list of SSH tunnels and their required keys.

beame-insta-ssl is open-source and free to use! It makes it easy for any web developer to make use of encryption - and get secure communications.