Updated September 10, 2026.
The desktop app is licensed under MIT — see the license. You can use it for anything, including commercially, no permission needed.
nullock intercepts network traffic. Only intercept traffic you own or are explicitly authorized to test. Using it to attack systems you don't control is illegal and not our doing.
Paid plans on this website are proposals. There is no checkout or automatic subscription on this site. Availability and written payment, cancellation, retention, and support terms must be confirmed before purchase.
The software is provided as-is. We work hard to make it solid, but you run it at your own risk, especially against production systems.
Changes to these pages are recorded in the public repository history. The software license is linked above.