Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.
Lynis - Security auditing tool for systems running Linux, macOS, BSD, and other UNIX-based systems.
OurPact - Parental Control for apps and devices
Lion - Accountability browser for the modern day
FamilyTime - FamilyTime is one of the best parental controlling application and family tracking application and finder at the moment available over the internet.
Silverback - Silverback 3