1. Superuser / SuperSU
So if incase the root method for your device doesn't provide you with one of these apps, you may download them from the Play Store.
Download Superuser - Play Store
Download SuperSU - Play Store
2. BusyBox for AndroidBusyBox is a collection of Linux utilities, it brings you all of the UNIX commands to your Android, since it is based off Linux. Busybox is required for certain applications for example, Metamorph, WiFiKill, or special operations in Titanium Backup. BusyBox is free to download, with many installers available in the Play Store to download, the most recommended and most awarded one seems to be by the developer Stephen (Stericson). Having BusyBox installed is surely a must if you plan on using root applications.
Download BusyBox - Play Store
3. Titanium Backup
Titanium Backup is being offered in two variants, free and pro. With the pro version, you get many more countless features unlocked. For more information on this application, you can check out the Play Store link below.
Download Titanium Backup - Play Store
4. No-frills CPU Control
Download No-frills CPU Control - Click here.
5. Root BrowserRoot Explorer as it costs money. With the help of this app you can pull out system files off your system partitions and mod them, then put them back in there safely, definitely a must have for rom cookers!
Download Root Browser - Play Store
And there you have it, 5 useful Android apps for rooted users, all of them offered for free.