Netcat Gui V13 May 2026

A GUI should not limit power users. v13 includes an embedded JavaScript or Lua engine. In any listener tab, you can write scripts that trigger on data match:

on('data', (data, clientIP) => 
  if (data.includes('GET /admin')) 
    send('HTTP/1.1 403 Forbidden\r\n\r\n');
    close(clientIP);
    logAlert('Admin probe from ' + clientIP);
);

These scripts are managed in a library, autocomplete-aware, and can be toggled on/off per connection. netcat gui v13

Netcat GUI v13 is the definitive graphical interface for the legendary command-line utility, Netcat. For decades, Netcat has been the unsung hero of network debugging and penetration testing, but its power has always been locked behind a steep learning curve and cryptic terminal flags. Version 13 breaks down that barrier, offering a fully featured, multi-tabbed graphical interface that retains the raw power of the CLI while adding modern quality-of-life features. A GUI should not limit power users

With great power comes great responsibility. A tool this powerful—hiding netcat’s complexity behind a slick UI—lowers the barrier to entry for malicious activity. These scripts are managed in a library, autocomplete-aware,

Since v13 does not exist as a single product, but as a concept, you can approximate it today by combining tools: socat (engine) + Wireshark (inspection) + ncat (from Nmap, with SSL). However, a true v13 would be distributed as: