Enigma Protector Alternative
Can cause significant overhead; an application may grow from 100kb to 600kb if heavily virtualized, though its packing feature can mitigate some size increases. 2. Themida / WinLicense (by Oreans Technologies)
Obsidium is frequently cited by the reverse-engineering community as a highly effective protector that has avoided the widespread "public knowledge" issues that plague Enigma and VMProtect.
It comes with a steeper learning curve and a higher price point. Furthermore, its primary focus is native code; while it handles .NET, it is not specialized for it.