There was a need to work with the MS SQL database, but I did not want to install and understand the complex SQL Management Studio program, and this product turned out to be very easy to install and use. For more then 2 month i've used the tool haven't came across any issues.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Notepadqq - Notepadqq is a linux clone (identical application) of Notepad++
DataGrip - Tool for SQL and databases
Secure Notepad - Secure Notepad is a note-keeping app that saves all your sensitive documents in an encrypted form.
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
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.