OpenSSH is a free version of the SSH connectivity tools that technical users rely on. OpenSSH encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks.
- SSH Client
- Free • Open Source
- Mac
- Windows
- Linux
- iPhone
- BSD
- Cygwin
- Haiku
Creates encrypted peer-to-peer virtual Ethernet networks for remote access, gaming, secure virtual LANs, and private networks without complex setup.
- VPN Service
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Android
- iPhone
- BSD
- iPad
- Self-Hosted
A firewall protects your computer against unwanted guests from the Internet. But who protects your private data from being sent out? Little Snitch does!
- Firewall
- Paid • Proprietary
- Mac
Gephi is the leading visualization and exploration software for all kinds of graphs and networks. Gephi is open-source and free.
- Mind Mapping Tool
- Free • Open Source
- Mac
- Windows
- Linux
+2An open source, self-hosted implementation of the Tailscale control server. HeadScale-ui is a complementary project to have a Web UI for this.
- VPN Service
- Free • Open Source
- Linux
- Self-Hosted
- Docker
ngrok exposes local servers behind NATs and firewalls to the public internet over secure tunnels.
- Localhost Tunnel Service
- Freemium • Proprietary
- Mac
- Windows
- Linux
- BSD
- FreeBSD
A proof-of-concept scalable IPv6 meshnet, featuring end-to-end encryption, a unique spanning tree routing algorithm and aiming to implement novel backpressure routing metrics.
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- BSD
Samba is the standard Windows interoperability suite of programs for Linux and Unix.
- Free • Open Source
- Mac
- Linux
- BSD
Proxifier is a program that allows network applications that do not support working through proxy servers to operate through an HTTPS or SOCKS proxy or a chain of proxy servers. 39.95 USD, free 31-day trial, portable version available.
- Paid • Proprietary
- Mac
- Windows
- Android
+1Cjdns is a networking protocol and reference implementation, founded on the ideology that networks should be easy to set up, protocols should scale up smoothly, and security should be ubiquitous.
- Free • Open Source
- Mac
- Linux
- BSD
OpenSSL is a framework which implements the secure socket layer. It ships with a program/library which gives you access to all those functions.
- Software Framework
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Haiku
tcpdump is a common packet analyzer that runs under the command line. It allows the user to intercept and display TCP/IP and other packets being transmitted or received over a network to which the computer is attached.
- Network Analyzer
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
Are you tired of changing your network configuration on your laptop every day? Always the same procedure? At home: changing...In the office: changing...
- Free Personal • Proprietary
- Windows
+1Radmin VPN allows you to securely connect computers, located behind firewalls.
- VPN Service
- Free • Proprietary
- Windows
OnionCat creates a transparent IPv6 layer on top of TOR's hidden services. It allows users to anonymously access Internet services. It transmits any kind of IPv6-based data transparently through the TOR network on a location hidden basis.
- Anonymizing Network
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Tor Browser Bundle
- Tor