ScreenTime+ - Automatic Time Tracking menubar mac app
Salfeld Child Control - Parental Control for Windows and Android Smartphones and computers offer children the world on a screen—a place where they can let their imaginations roam while sharpening their mental agility and academic ability.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
ScreenTime - Show your macOS desktop on FaceTime
Quantim - The Best Project Management Software in the UK with a CRM module. Quantim is a Great Project Management Tool for Architects and Constructors.
ActivityWatch - Log what you do on your computer. Simple (yet powerful), extensible, no third parties.