Jeff Johnson

Next-generation server protection. Monitors and blocks brute-force attacks, creating a defensive mesh across all your machines.

The world's only 100% free database of malicious IP addresses — open threat intelligence for everyone.

Free, trusted security software blocking hackers and botnets on Windows and Linux — protecting servers worldwide for over a decade.

Independent software company crafting mobile apps, Unity plugins, and server software.

The iOS app for drawing on photos, clipart, and creative expression — built through thousands of late nights.

Weather Maker, Procedural Lightning, Fingers Gestures, and more — tools trusted by game developers everywhere.