Nmap is a free and open-source network scanner used to discover hosts and services on a computer network by sending packets and analyzing the responses.

Notepad++ is a free (as in “free speech” and also as in “free beer”) source code editor and Notepad replacement that supports several languages. Running in the MS Windows environment.

PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port. The name “PuTTY” has no official meaning.

Suitcase Fusion is a font management tool that organizes, finds, views, and uses fonts within your existing workflow. Suitcase Fusion remembers all of the fonts used in documents created with supported apps including Adobe Creative Cloud, Sketch, and Affinity.

Packet capture utility

WinSCP is a free and open-source SFTP client, FTP client, WebDAV client, Amazon S3 client, and SCP client for Microsoft Windows. Its main function is file transfer between a local and a remote computer. Beyond this, WinSCP offers scripting and basic file manager functionality.

Wireshark is the world’s foremost and widely-used network protocol analyzer. It lets you see what’s happening on your network at a microscopic level.

Xming is the leading X Window System Server for Microsoft Windows®. It is fully featured, lean, fast, simple to install, and because it is standalone native Windows, easily made portable (not needing a machine-specific installation or access to the Windows registry).