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.
Creates encrypted peer-to-peer virtual Ethernet networks for remote access, gaming, secure virtual LANs, and private networks without complex setup.
OpenVPN Connectand
WireGuard
Firewall tool for monitoring, controlling, and alerting on outgoing network connections, with real-time user notifications and customizable rule-based access control.
Portmaster
Gephi is the leading visualization and exploration software for all kinds of graphs and networks. Gephi is open-source and free.
yEd Graph Editorand
Graphviz
An open source, self-hosted implementation of the Tailscale control server. HeadScale-ui is a complementary project to have a Web UI for this.
Tailscaleand
LogMeIn Hamachi
Redirects traffic from any internet application through HTTPS or SOCKS proxies, offers advanced rule-based routing, logging, IPv6, authentication, and a 31-day trial.
ProxyBridgeand
Proxycap
ngrok exposes local servers behind NATs and firewalls to the public internet over secure tunnels.
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.
Wiresharkand
NetworkMiner
Meshtastic is a project that enables you to use inexpensive LoRa radios as a long range off-grid communication platform in areas without existing or reliable communications infrastructure. This project is 100% community driven and open source!
Easily switch between up to 6 network profiles with support for IP, DNS, gateway, WINS, printer, network drives, NIC status, scripts, and more for Windows.
TCP/IP Managerand
NetIP
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.
Tor Browserand
Tor
Samba is the standard Windows interoperability suite of programs for Linux and Unix.
Syncthingand
OnionShare
OpenSSL is a framework which implements the secure socket layer. It ships with a program/library which gives you access to all those functions.
Namecoin is a distributed domain name system based on the Bitcoin technology. Namecoin extends Bitcoin to add transactions for registering, updating and transferring domain names. Namecoin provides an alternative to the existing domain name system (DNS), in which names can be...
Unstoppable Domains
Cjdns 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.
Tunnelblick is a free, open source graphic user interface for OpenVPN on OS X and macOS. It provides easy control of OpenVPN client and/or server connections.
OpenVPN ConnectandWireGuard
Radmin VPN allows you to securely connect computers, located behind firewalls.
LogMeIn Hamachiand
ZeroTier
InterceptSuite is a powerful TLS MITM proxy designed for non-HTTP traffic with advanced support for TLS upgrades such as STARTTLS, PostgreSQL, Custom Protocols and more. It enables security professionals, developers, and researchers to inspect, modify, and debug encrypted...
mitmproxyand
PolarProxy
LibreNMS is an autodiscovering PHP/MySQL based network monitoring system forked from Observium. LibreNMS aims to be easy to use, painless to deploy, and support monitoring of a wide range of devices. Observium's license changed to a modified QPL license in May 2012, and...
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.
Simple DNSCrypt is a simple management tool to configure DNSCrypt Proxy on windows based systems.
DNSCrypt Protocoland
DNSveil
PingPlotter is a graphical traceroute and ping tool that visualizes network performance in a way that makes identifying the source of problems quicker and easier.
mtrand
Ping Tracer
NetStumbler is a tool for Windows that allows you to detect Wireless Local Area Networks (WLANs) using 802.11b, 802.11a and 802.11g. It has many uses:Verify that your network is set up the way you intended, find locations with poor coverage in your WLAN, detect other networks...
Allows users to access and manage advanced features of their T-Mobile Home Internet gateway, providing functionality beyond the official T-Mobile app.
Server-less (decentralized) Virtual Private Network (Open-source alternative to Hamachi, Radmin, ZeroTier, etc.).
LogMeIn HamachiandZeroTier
