Secrets is described as 'is free system preference pane that allows you to change / customize hidden settings for your system and most applications' and is an app in the OS & Utilities category. There are more than 25 alternatives to Secrets for Windows, Mac and Linux. The best alternative is Sysinternals Suite, which is free. Other great apps like Secrets are System Mechanic (Paid), TinkerTool (Free), Tweaks (Free, Open Source) and Yamicsoft Windows Manager (Paid).
It is written in batch. Anyway of CLI, its friendly. Its pretty small and functionable. You can use it to tweak various [and probably the most known] system settings in an easy way. You simply type command you want to and thats all.
Dr Hidden is a Mac utility tool that helps to optimize and change some of those annoying hidden OS X settings. Get this Mac OS tool for hidden unlock functionality! Dr Hidden allows you to customise dock, keyboard, finder, file settings and many more.
Microsoft has increased both the power and complexity of its popular Windows operating system with the release of Windows Vista. Stardock’s TweakVista™ enhancement application helps you configure Windows Vista to meet your personal needs by improving performance.