RedshiftGUI - RedshiftGUI changes the color temperature of your monitor to better match that of your surrounding.
CurrentWare BrowseControl - BrowseControl web filtering software blocks websites based on URLs and categories. Policies can be customized for each user, department, or OU. Includes other features such as an app blocker, port filter, and download/upload blocker.
Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.
MobileFence - Parental controls for Android devices.
Finetune - Automatically fixes tags in your music files
SPIN Safe Browser - SPIN Safe Browser is a free web filter that blocks porn and inappropriate content to provide a safe internet surfing experience for kids.