Networking Software

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

Free and open-source terminal emulator supporting SSH, Telnet, and SCP. Portable, lightweight, and works offline to connect to remote systems securely.

Establish remote desktop access in seconds with instant control, secure data, VoIP and webcam integration, file transfer, and fast, easy collaboration.

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more.

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

Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and (with appropriate hardware) can sniff 802.11b, 802.11a, 802.11g, and 802.11n traffic.

Packet Tracer is an essential learning tool used in these Cisco Networking Academy courses: IT Essentials, CCNA Routing and Switching, CCNA Security, Intro to Internet of Things (IoT), and Mobility Fundamentals.

Open-source FTP client supporting FTP, FTPS, and SFTP with features like large file transfers, site management, and cross-platform because of FileZilla Server.

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