Open Source Network & Admin Apps for Windows

Open source virtualization tool supporting x86/AMD64, runs on Windows, Linux, Mac, Solaris. Offers portable, lightweight, ad-free use.

Foremost network protocol analyzer with multi-platform support, deep protocol inspection, VoIP analysis, and extensive file format compatibility.

Open-source hypervisor emulating CPUs via dynamic translation. Supports unmodified guest OS, allows mixed binary translation and native execution.

Free, open-source utility for network security auditing and exploration with capabilities for OS detection, service identification, and large network scans.

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.

mRemoteNG is a fork of mRemote , an open source, tabbed, multi-protocol, remote connections manager.

A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Official successor to Process Hacker.

Open-source, cross-platform network scanner for fast, simple IP and port scanning. Lightweight with no installation needed, extensible via plugins.

TightVNC is a free remote desktop application. With TightVNC, you can see the desktop of a remote machine and control it with your local mouse and keyboard, just like you would do it sitting in the front of that computer.

Free remote desktop access for Windows, enabling screen sharing, remote control, file transfer, secure connections, helpdesk, and IT support use cases.

DocFetcher is an Open Source desktop search application: It allows you to search the contents of files on your computer. — You can think of it as Google for your local files. The application runs on Windows, Linux and macOS, and is made available under the Eclipse Public License.

Open-source identity-based remote access platform using WireGuard, offering unified management, tunneled connections, granular access controls, and SSL automation.

KiTTY is an opensource terminal emulator, forked from PuTTY , that adds many extra features to the original software.

Cross-platform port management tool for identifying listening ports, managing Kubernetes forwards, handling Cloudflare Tunnels, and terminating processes instantly.

Caddy is a web server like Apache, nginx, or lighttpd, but with different goals, features, and advantages.

DWService is a half (only the client/agent) open source project which offers a service that allows access to remote systems (Windows, Mac, Linux, Raspberry...) using a standard web browser - without any component required on the client side.

Lightweight, open-source universal proxy client for Windows and macOS with process-based routing, SOCKS5/HTTP support, kernel-level interception, and privacy features.

Zenmap is the official cross-platform GUI for the Nmap Security Scanner. It is free and runs on Linux, Windows, Mac OS X, etc. Zenmap aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users.

Sniffnet is a network monitoring tool to help you easily keep track of your Internet traffic.

AdGuard Home is a network-wide software for blocking ads & tracking. After you set it up, it'll cover ALL your home devices, and you don't need any client-side software for that.

Gephi is the leading visualization and exploration software for all kinds of graphs and networks. Gephi is open-source and free.

TigerVNC is an advanced VNC implementation. It is based on the fourth generation of VNC. TigerVNC also includes features from the TightVNC and TurboVNC projects. This includes accelerated JPEG compression. TigerVNC supports the latest X.Org X server.

Free dynamic DNS hosted on Amazon VPC.

Open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.

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.