OurPact - Parental Control for apps and devices
Lynis - Security auditing tool for systems running Linux, macOS, BSD, and other UNIX-based systems.
Kidslox - Set boundaries for your kids
Lion - Accountability browser for the modern day
Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.
Silverback - Silverback 3