TinkerTool is a freeware application for macOS that allows the user to customise the system by exposing hidden preferences to a graphical user interface. Developed by Marcel Bresink
License: Free
TinkerTool is primarily focused on customization and user preferences, making it suitable for users who want to tweak their macOS experience. Onyx, on the other hand, offers a broader range of system maintenance tools and advanced features, catering to power users who require comprehensive system optimization.