NightCity Tracer is an open-source Blue Team Simulator
Cyberpunk 2077 aesthetic makes security forensics training actually engaging to complete.

Browser-based network topology builder challenging Cisco Packet Tracer's desktop dominance.
Network engineering students, cybersecurity learners
Cisco Packet Tracer · GNS3 · EVE-NG
Cyberpunk 2077 aesthetic makes security forensics training actually engaging to complete.
Native IEC 61850 protocol support in ns-3 when no module existed before.
Rust quantum simulator 3.7s H₂O simulation, but audience is niche quantum researchers.
Finally mocks AVCaptureSession in the Simulator without private APIs or device tethering.
Live multiplayer craps table with full betting UI—but it's a game, not a tool.
UTM simulating itself where L3 won't execute its first step until the year 2070.