Dialer Lock- AppHider - Dialer Lock- AppHider enables you to hide any apps on the phone by keeping every piece of content safe from the wrong hands with strong password lock protection.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
Sgallery - Sgallery is one of the outstanding applications that protects your privacy by hiding your photos, videos, and documents in a private folder that can be accessed by your fingerprint or touch ID.
Notepadqq - Notepadqq is a linux clone (identical application) of Notepad++
X App Hider(hide application) - X App Hider(hide application) is an excellent personalization tool that makes the apps invisible without appearing in the launcher or settings menu of the phone with the help of root, developed by Chen Xian.
Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.