During Capture The Flag competitions, time is critical. The built-in hex dump and macro system let you examine raw TCP streams without switching between nc and a separate hex editor.
| Feature | Netcat GUI v13exe | Nmap’s Ncat GUI | Simple NC Frontend | | :--- | :--- | :--- | :--- | | | Yes (no installer) | No (requires Nmap suite) | Yes | | Hex View | Built-in | No | No | | TLS Support | Yes (bundled stunnel) | Native Ncat SSL | No | | Macro System | Yes | No | Partial | | Last Update | 2025 (current) | 2022 | 2019 | netcat gui v13exe updated
v13exe introduces a (enabled by default) that: During Capture The Flag competitions, time is critical