majorgeeks.com/files/details/netcat_gui.html Verify the version number on the page; as of 2026, they still serve v13. 4. PortableApps.com (Unofficial but Trusted) A repackaged portable version of Netcat GUI v13 is available for USB drive deployment.
web.archive.org/web/20210515143042/http://netcat-gui.sourceforge.net/downloads/ Select NetcatGUI-v13-win32.zip . 3. MajorGeeks – Clean Third-Party Mirror MajorGeeks is a respected software repository that screens for malware. They host version 13 as a legacy pick. netcat gui v13 download link
Do not trust random YouTube tutorials offering “direct download” in the description. Stick to the sources above, verify the file hash, and scan with an antivirus. majorgeeks